Call EmbeddedWorkerDevToolsManager::ServiceWorkerCreated, WorkerContextStarted and WorkerDestroyed.

BUG=358657

Review URL: https://codereview.chromium.org/261753008

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@271144 0039d316-1c4b-4281-b951-d872f2087c98

content/browser/devtools/embedded_worker_devtools_manager.cc

@@ -34,6 +34,25 @@ bool SendMessageToWorker(
 
 }  // namespace
 
+EmbeddedWorkerDevToolsManager::ServiceWorkerIdentifier::ServiceWorkerIdentifier(
+    const ServiceWorkerContextCore* const service_worker_context,
+    int64 service_worker_version_id)
+    : service_worker_context_(service_worker_context),
+      service_worker_version_id_(service_worker_version_id) {
+}
+
+EmbeddedWorkerDevToolsManager::ServiceWorkerIdentifier::ServiceWorkerIdentifier(
+    const ServiceWorkerIdentifier& other)
+    : service_worker_context_(other.service_worker_context_),
+      service_worker_version_id_(other.service_worker_version_id_) {
+}
+
+bool EmbeddedWorkerDevToolsManager::ServiceWorkerIdentifier::Matches(
+    const ServiceWorkerIdentifier& other) const {
+  return service_worker_context_ == other.service_worker_context_ &&
+         service_worker_version_id_ == other.service_worker_version_id_;
+}
+
 EmbeddedWorkerDevToolsManager::WorkerInfo::WorkerInfo(
     const SharedWorkerInstance& instance)
     : shared_worker_instance_(new SharedWorkerInstance(instance)),
@@ -42,10 +61,8 @@ EmbeddedWorkerDevToolsManager::WorkerInfo::WorkerInfo(
 }
 
 EmbeddedWorkerDevToolsManager::WorkerInfo::WorkerInfo(
-    const base::FilePath& storage_partition_path,
-    const GURL& service_worker_scope)
-    : storage_partition_path_(new base::FilePath(storage_partition_path)),
-      service_worker_scope_(new GURL(service_worker_scope)),
+    const ServiceWorkerIdentifier& service_worker_id)
+    : service_worker_id_(new ServiceWorkerIdentifier(service_worker_id)),
       state_(WORKER_UNINSPECTED),
       agent_host_(NULL) {
 }
@@ -58,12 +75,10 @@ bool EmbeddedWorkerDevToolsManager::WorkerInfo::Matches(
 }
 
 bool EmbeddedWorkerDevToolsManager::WorkerInfo::Matches(
-    const base::FilePath& other_storage_partition_path,
-    const GURL& other_service_worker_scope) {
-  if (!storage_partition_path_ || !service_worker_scope_)
+    const ServiceWorkerIdentifier& other) {
+  if (!service_worker_id_)
     return false;
-  return *storage_partition_path_ == other_storage_partition_path &&
-         *service_worker_scope_ == other_service_worker_scope;
+  return service_worker_id_->Matches(other);
 }
 
 EmbeddedWorkerDevToolsManager::WorkerInfo::~WorkerInfo() {
@@ -175,10 +190,8 @@ DevToolsAgentHost* EmbeddedWorkerDevToolsManager::GetDevToolsAgentHostForWorker(
 
 DevToolsAgentHost*
 EmbeddedWorkerDevToolsManager::GetDevToolsAgentHostForServiceWorker(
-    const base::FilePath& storage_partition_path,
-    const GURL& service_worker_scope) {
-  WorkerInfoMap::iterator it = FindExistingServiceWorkerInfo(
-      storage_partition_path, service_worker_scope);
+    const ServiceWorkerIdentifier& service_worker_id) {
+  WorkerInfoMap::iterator it = FindExistingServiceWorkerInfo(service_worker_id);
   if (it == workers_.end())
     return NULL;
   return GetDevToolsAgentHostForWorker(it->first.first, it->first.second);
@@ -209,15 +222,12 @@ bool EmbeddedWorkerDevToolsManager::SharedWorkerCreated(
 bool EmbeddedWorkerDevToolsManager::ServiceWorkerCreated(
     int worker_process_id,
     int worker_route_id,
-    const base::FilePath& storage_partition_path,
-    const GURL& service_worker_scope) {
+    const ServiceWorkerIdentifier& service_worker_id) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   const WorkerId id(worker_process_id, worker_route_id);
-  WorkerInfoMap::iterator it = FindExistingServiceWorkerInfo(
-      storage_partition_path, service_worker_scope);
+  WorkerInfoMap::iterator it = FindExistingServiceWorkerInfo(service_worker_id);
   if (it == workers_.end()) {
-    scoped_ptr<WorkerInfo> info(
-        new WorkerInfo(storage_partition_path, service_worker_scope));
+    scoped_ptr<WorkerInfo> info(new WorkerInfo(service_worker_id));
     workers_.set(id, info.Pass());
     return false;
   }
@@ -316,11 +326,10 @@ EmbeddedWorkerDevToolsManager::FindExistingSharedWorkerInfo(
 
 EmbeddedWorkerDevToolsManager::WorkerInfoMap::iterator
 EmbeddedWorkerDevToolsManager::FindExistingServiceWorkerInfo(
-    const base::FilePath& storage_partition_path,
-    const GURL& service_worker_scope) {
+    const ServiceWorkerIdentifier& service_worker_id) {
   WorkerInfoMap::iterator it = workers_.begin();
   for (; it != workers_.end(); ++it) {
-    if (it->second->Matches(storage_partition_path, service_worker_scope))
+    if (it->second->Matches(service_worker_id))
       break;
   }
   return it;

content/browser/devtools/embedded_worker_devtools_manager.h

@@ -7,7 +7,6 @@
 
 #include "base/basictypes.h"
 #include "base/containers/scoped_ptr_hash_map.h"
-#include "base/files/file_path.h"
 #include "base/gtest_prod_util.h"
 #include "base/memory/scoped_vector.h"
 #include "base/memory/singleton.h"
@@ -15,10 +14,10 @@
 #include "content/browser/shared_worker/shared_worker_instance.h"
 #include "content/common/content_export.h"
 
-class GURL;
-
 namespace content {
+
 class DevToolsAgentHost;
+class ServiceWorkerContextCore;
 
 // EmbeddedWorkerDevToolsManager is used instead of WorkerDevToolsManager when
 // "enable-embedded-shared-worker" flag is set.
@@ -28,27 +27,37 @@ class CONTENT_EXPORT EmbeddedWorkerDevToolsManager {
   typedef std::pair<int, int> WorkerId;
   class EmbeddedWorkerDevToolsAgentHost;
 
+  class ServiceWorkerIdentifier {
+   public:
+    ServiceWorkerIdentifier(
+        const ServiceWorkerContextCore* const service_worker_context,
+        int64 service_worker_version_id);
+    explicit ServiceWorkerIdentifier(const ServiceWorkerIdentifier& other);
+    ~ServiceWorkerIdentifier() {}
+
+    bool Matches(const ServiceWorkerIdentifier& other) const;
+
+   private:
+    const ServiceWorkerContextCore* const service_worker_context_;
+    const int64 service_worker_version_id_;
+  };
+
   // Returns the EmbeddedWorkerDevToolsManager singleton.
   static EmbeddedWorkerDevToolsManager* GetInstance();
 
   DevToolsAgentHost* GetDevToolsAgentHostForWorker(int worker_process_id,
                                                    int worker_route_id);
   DevToolsAgentHost* GetDevToolsAgentHostForServiceWorker(
-      const base::FilePath& storage_partition_path,
-      const GURL& service_worker_scope);
+      const ServiceWorkerIdentifier& service_worker_id);
 
   // Returns true when the worker must be paused on start.
   bool SharedWorkerCreated(int worker_process_id,
                            int worker_route_id,
                            const SharedWorkerInstance& instance);
   // Returns true when the worker must be paused on start.
-  // TODO(horo): Currently we identify ServiceWorkers with the path of storage
-  // partition and the scope of ServiceWorker. Consider having a class like
-  // SharedWorkerInstance instead of the pair.
   bool ServiceWorkerCreated(int worker_process_id,
                             int worker_route_id,
-                            const base::FilePath& storage_partition_path,
-                            const GURL& service_worker_scope);
+                            const ServiceWorkerIdentifier& service_worker_id);
   void WorkerContextStarted(int worker_process_id, int worker_route_id);
   void WorkerDestroyed(int worker_process_id, int worker_route_id);
 
@@ -70,8 +79,7 @@ class CONTENT_EXPORT EmbeddedWorkerDevToolsManager {
     // Creates WorkerInfo for SharedWorker.
     explicit WorkerInfo(const SharedWorkerInstance& instance);
     // Creates WorkerInfo for ServiceWorker.
-    WorkerInfo(const base::FilePath& storage_partition_path,
-               const GURL& service_worker_scope);
+    explicit WorkerInfo(const ServiceWorkerIdentifier& service_worker_id);
     ~WorkerInfo();
 
     WorkerState state() { return state_; }
@@ -81,13 +89,11 @@ class CONTENT_EXPORT EmbeddedWorkerDevToolsManager {
       agent_host_ = agent_host;
     }
     bool Matches(const SharedWorkerInstance& other);
-    bool Matches(const base::FilePath& other_storage_partition_path,
-                 const GURL& other_service_worker_scope);
+    bool Matches(const ServiceWorkerIdentifier& other);
 
    private:
     scoped_ptr<SharedWorkerInstance> shared_worker_instance_;
-    scoped_ptr<base::FilePath> storage_partition_path_;
-    scoped_ptr<GURL> service_worker_scope_;
+    scoped_ptr<ServiceWorkerIdentifier> service_worker_id_;
     WorkerState state_;
     EmbeddedWorkerDevToolsAgentHost* agent_host_;
   };
@@ -102,8 +108,7 @@ class CONTENT_EXPORT EmbeddedWorkerDevToolsManager {
   WorkerInfoMap::iterator FindExistingSharedWorkerInfo(
       const SharedWorkerInstance& instance);
   WorkerInfoMap::iterator FindExistingServiceWorkerInfo(
-      const base::FilePath& storage_partition_path,
-      const GURL& service_worker_scope);
+      const ServiceWorkerIdentifier& service_worker_id);
 
   void MoveToPausedState(const WorkerId& id, const WorkerInfoMap::iterator& it);
 

content/browser/service_worker/embedded_worker_instance.cc

@@ -4,14 +4,20 @@
 
 #include "content/browser/service_worker/embedded_worker_instance.h"
 
+#include "base/bind_helpers.h"
+#include "content/browser/devtools/embedded_worker_devtools_manager.h"
 #include "content/browser/service_worker/embedded_worker_registry.h"
+#include "content/browser/service_worker/service_worker_context_core.h"
 #include "content/common/service_worker/embedded_worker_messages.h"
+#include "content/public/browser/browser_thread.h"
+#include "content/public/browser/render_process_host.h"
 #include "ipc/ipc_message.h"
 #include "url/gurl.h"
 
 namespace content {
 
 namespace {
+
 // Functor to sort by the .second element of a struct.
 struct SecondGreater {
   template <typename Value>
@@ -19,11 +25,75 @@ struct SecondGreater {
     return lhs.second > rhs.second;
   }
 };
+
+void NotifyWorkerContextStarted(int worker_process_id, int worker_route_id) {
+  if (!BrowserThread::CurrentlyOn(BrowserThread::UI)) {
+    BrowserThread::PostTask(
+        BrowserThread::UI,
+        FROM_HERE,
+        base::Bind(
+            NotifyWorkerContextStarted, worker_process_id, worker_route_id));
+    return;
+  }
+  EmbeddedWorkerDevToolsManager::GetInstance()->WorkerContextStarted(
+      worker_process_id, worker_route_id);
+}
+
+void NotifyWorkerDestroyed(int worker_process_id, int worker_route_id) {
+  if (!BrowserThread::CurrentlyOn(BrowserThread::UI)) {
+    BrowserThread::PostTask(
+        BrowserThread::UI,
+        FROM_HERE,
+        base::Bind(NotifyWorkerDestroyed, worker_process_id, worker_route_id));
+    return;
+  }
+  EmbeddedWorkerDevToolsManager::GetInstance()->WorkerDestroyed(
+      worker_process_id, worker_route_id);
+}
+
+void RegisterToWorkerDevToolsManager(
+    int process_id,
+    const ServiceWorkerContextCore* const service_worker_context,
+    int64 service_worker_version_id,
+    const base::Callback<void(int worker_devtools_agent_route_id,
+                              bool pause_on_start)>& callback) {
+  if (!BrowserThread::CurrentlyOn(BrowserThread::UI)) {
+    BrowserThread::PostTask(BrowserThread::UI,
+                            FROM_HERE,
+                            base::Bind(RegisterToWorkerDevToolsManager,
+                                       process_id,
+                                       service_worker_context,
+                                       service_worker_version_id,
+                                       callback));
+    return;
+  }
+  int worker_devtools_agent_route_id = MSG_ROUTING_NONE;
+  bool pause_on_start = false;
+  if (RenderProcessHost* rph = RenderProcessHost::FromID(process_id)) {
+    // |rph| may be NULL in unit tests.
+    worker_devtools_agent_route_id = rph->GetNextRoutingID();
+    pause_on_start =
+        EmbeddedWorkerDevToolsManager::GetInstance()->ServiceWorkerCreated(
+            process_id,
+            worker_devtools_agent_route_id,
+            EmbeddedWorkerDevToolsManager::ServiceWorkerIdentifier(
+                service_worker_context, service_worker_version_id));
+  }
+  BrowserThread::PostTask(
+      BrowserThread::IO,
+      FROM_HERE,
+      base::Bind(callback, worker_devtools_agent_route_id, pause_on_start));
+}
+
 }  // namespace
 
 EmbeddedWorkerInstance::~EmbeddedWorkerInstance() {
   if (status_ == STARTING || status_ == RUNNING)
     Stop();
+  if (worker_devtools_agent_route_id_ != MSG_ROUTING_NONE)
+    NotifyWorkerDestroyed(process_id_, worker_devtools_agent_route_id_);
+  if (context_ && process_id_ != -1)
+    context_->process_manager()->ReleaseWorkerProcess(process_id_);
   registry_->RemoveWorker(process_id_, embedded_worker_id_);
 }
 
@@ -32,15 +102,28 @@ void EmbeddedWorkerInstance::Start(int64 service_worker_version_id,
                                    const GURL& script_url,
                                    const std::vector<int>& possible_process_ids,
                                    const StatusCallback& callback) {
+  if (!context_) {
+    callback.Run(SERVICE_WORKER_ERROR_ABORT);
+    return;
+  }
   DCHECK(status_ == STOPPED);
   status_ = STARTING;
-  std::vector<int> ordered_process_ids = SortProcesses(possible_process_ids);
-  registry_->StartWorker(ordered_process_ids,
-                         embedded_worker_id_,
-                         service_worker_version_id,
-                         scope,
+  scoped_ptr<EmbeddedWorkerMsg_StartWorker_Params> params(
+      new EmbeddedWorkerMsg_StartWorker_Params());
+  params->embedded_worker_id = embedded_worker_id_;
+  params->service_worker_version_id = service_worker_version_id;
+  params->scope = scope;
+  params->script_url = script_url;
+  params->worker_devtools_agent_route_id = MSG_ROUTING_NONE;
+  params->pause_on_start = false;
+  context_->process_manager()->AllocateWorkerProcess(
+      SortProcesses(possible_process_ids),
       script_url,
-                         callback);
+      base::Bind(&EmbeddedWorkerInstance::RunProcessAllocated,
+                 weak_factory_.GetWeakPtr(),
+                 context_,
+                 base::Passed(&params),
+                 callback));
 }
 
 ServiceWorkerStatusCode EmbeddedWorkerInstance::Stop() {
@@ -77,32 +160,76 @@ void EmbeddedWorkerInstance::ReleaseProcessReference(int process_id) {
     process_refs_.erase(found);
 }
 
-EmbeddedWorkerInstance::EmbeddedWorkerInstance(EmbeddedWorkerRegistry* registry,
+EmbeddedWorkerInstance::EmbeddedWorkerInstance(
+    base::WeakPtr<ServiceWorkerContextCore> context,
     int embedded_worker_id)
-    : registry_(registry),
+    : context_(context),
+      registry_(context->embedded_worker_registry()),
       embedded_worker_id_(embedded_worker_id),
       status_(STOPPED),
       process_id_(-1),
       thread_id_(-1),
-      worker_devtools_agent_route_id_(MSG_ROUTING_NONE) {
+      worker_devtools_agent_route_id_(MSG_ROUTING_NONE),
+      weak_factory_(this) {
 }
 
-void EmbeddedWorkerInstance::RecordProcessId(
-    int process_id,
+// static
+void EmbeddedWorkerInstance::RunProcessAllocated(
+    base::WeakPtr<EmbeddedWorkerInstance> instance,
+    base::WeakPtr<ServiceWorkerContextCore> context,
+    scoped_ptr<EmbeddedWorkerMsg_StartWorker_Params> params,
+    const EmbeddedWorkerInstance::StatusCallback& callback,
     ServiceWorkerStatusCode status,
-    int worker_devtools_agent_route_id) {
+    int process_id) {
+  if (!context) {
+    callback.Run(SERVICE_WORKER_ERROR_ABORT);
+    return;
+  }
+  if (!instance) {
+    context->process_manager()->ReleaseWorkerProcess(process_id);
+    callback.Run(SERVICE_WORKER_ERROR_ABORT);
+    return;
+  }
+  instance->ProcessAllocated(params.Pass(), callback, process_id, status);
+}
+
+void EmbeddedWorkerInstance::ProcessAllocated(
+    scoped_ptr<EmbeddedWorkerMsg_StartWorker_Params> params,
+    const StatusCallback& callback,
+    int process_id,
+    ServiceWorkerStatusCode status) {
   DCHECK_EQ(process_id_, -1);
-  DCHECK_EQ(worker_devtools_agent_route_id_, MSG_ROUTING_NONE);
-  if (status == SERVICE_WORKER_OK) {
-    process_id_ = process_id;
-    worker_devtools_agent_route_id_ = worker_devtools_agent_route_id;
-  } else {
+  if (status != SERVICE_WORKER_OK) {
     status_ = STOPPED;
+    callback.Run(status);
+    return;
   }
+  const int64 service_worker_version_id = params->service_worker_version_id;
+  process_id_ = process_id;
+  RegisterToWorkerDevToolsManager(
+      process_id,
+      context_.get(),
+      service_worker_version_id,
+      base::Bind(&EmbeddedWorkerInstance::SendStartWorker,
+                 weak_factory_.GetWeakPtr(),
+                 base::Passed(&params),
+                 callback));
+}
+
+void EmbeddedWorkerInstance::SendStartWorker(
+    scoped_ptr<EmbeddedWorkerMsg_StartWorker_Params> params,
+    const StatusCallback& callback,
+    int worker_devtools_agent_route_id,
+    bool pause_on_start) {
+  worker_devtools_agent_route_id_ = worker_devtools_agent_route_id;
+  params->worker_devtools_agent_route_id = worker_devtools_agent_route_id;
+  params->pause_on_start = pause_on_start;
+  registry_->SendStartWorker(params.Pass(), callback, process_id_);
 }
 
 void EmbeddedWorkerInstance::OnScriptLoaded() {
-  // TODO(horo): Implement this.
+  if (worker_devtools_agent_route_id_ != MSG_ROUTING_NONE)
+    NotifyWorkerContextStarted(process_id_, worker_devtools_agent_route_id_);
 }
 
 void EmbeddedWorkerInstance::OnScriptLoadFailed() {
@@ -119,6 +246,10 @@ void EmbeddedWorkerInstance::OnStarted(int thread_id) {
 }
 
 void EmbeddedWorkerInstance::OnStopped() {
+  if (worker_devtools_agent_route_id_ != MSG_ROUTING_NONE)
+    NotifyWorkerDestroyed(process_id_, worker_devtools_agent_route_id_);
+  if (context_)
+    context_->process_manager()->ReleaseWorkerProcess(process_id_);
   status_ = STOPPED;
   process_id_ = -1;
   thread_id_ = -1;

content/browser/service_worker/embedded_worker_instance.h

@@ -13,12 +13,14 @@
 #include "base/gtest_prod_util.h"
 #include "base/logging.h"
 #include "base/memory/ref_counted.h"
+#include "base/memory/weak_ptr.h"
 #include "base/observer_list.h"
 #include "base/strings/string16.h"
 #include "content/common/content_export.h"
 #include "content/common/service_worker/service_worker_status_code.h"
+#include "url/gurl.h"
 
-class GURL;
+struct EmbeddedWorkerMsg_StartWorker_Params;
 
 namespace IPC {
 class Message;
@@ -27,6 +29,7 @@ class Message;
 namespace content {
 
 class EmbeddedWorkerRegistry;
+class ServiceWorkerContextCore;
 struct ServiceWorkerFetchRequest;
 
 // This gives an interface to control one EmbeddedWorker instance, which
@@ -94,9 +97,6 @@ class CONTENT_EXPORT EmbeddedWorkerInstance {
   Status status() const { return status_; }
   int process_id() const { return process_id_; }
   int thread_id() const { return thread_id_; }
-  int worker_devtools_agent_route_id() const {
-    return worker_devtools_agent_route_id_;
-  }
 
   void AddListener(Listener* listener);
   void RemoveListener(Listener* listener);
@@ -111,14 +111,28 @@ class CONTENT_EXPORT EmbeddedWorkerInstance {
 
   // Constructor is called via EmbeddedWorkerRegistry::CreateWorker().
   // This instance holds a ref of |registry|.
-  EmbeddedWorkerInstance(EmbeddedWorkerRegistry* registry,
+  EmbeddedWorkerInstance(base::WeakPtr<ServiceWorkerContextCore> context,
                          int embedded_worker_id);
 
-  // Called back from EmbeddedWorkerRegistry after Start() passes control to the
-  // UI thread to acquire a reference to the process.
-  void RecordProcessId(int process_id,
+  // Called back from ServiceWorkerProcessManager after Start() passes control
+  // to the UI thread to acquire a reference to the process.
+  static void RunProcessAllocated(
+      base::WeakPtr<EmbeddedWorkerInstance> instance,
+      base::WeakPtr<ServiceWorkerContextCore> context,
+      scoped_ptr<EmbeddedWorkerMsg_StartWorker_Params> params,
+      const EmbeddedWorkerInstance::StatusCallback& callback,
       ServiceWorkerStatusCode status,
-                       int worker_devtools_agent_route_id);
+      int process_id);
+  void ProcessAllocated(scoped_ptr<EmbeddedWorkerMsg_StartWorker_Params> params,
+                        const StatusCallback& callback,
+                        int process_id,
+                        ServiceWorkerStatusCode status);
+  // Called back after ProcessAllocated() passes control to the UI thread to
+  // register to WorkerDevToolsManager.
+  void SendStartWorker(scoped_ptr<EmbeddedWorkerMsg_StartWorker_Params> params,
+                       const StatusCallback& callback,
+                       int worker_devtools_agent_route_id,
+                       bool pause_on_start);
 
   // Called back from Registry when the worker instance has ack'ed that
   // it finished loading the script.
@@ -163,6 +177,7 @@ class CONTENT_EXPORT EmbeddedWorkerInstance {
   std::vector<int> SortProcesses(
       const std::vector<int>& possible_process_ids) const;
 
+  base::WeakPtr<ServiceWorkerContextCore> context_;
   scoped_refptr<EmbeddedWorkerRegistry> registry_;
   const int embedded_worker_id_;
   Status status_;
@@ -175,6 +190,8 @@ class CONTENT_EXPORT EmbeddedWorkerInstance {
   ProcessRefMap process_refs_;
   ListenerList listener_list_;
 
+  base::WeakPtrFactory<EmbeddedWorkerInstance> weak_factory_;
+
   DISALLOW_COPY_AND_ASSIGN(EmbeddedWorkerInstance);
 };
 

content/browser/service_worker/embedded_worker_registry.cc

@@ -19,47 +19,18 @@ namespace content {
 
 EmbeddedWorkerRegistry::EmbeddedWorkerRegistry(
     base::WeakPtr<ServiceWorkerContextCore> context)
-    : context_(context),
-      next_embedded_worker_id_(0) {}
+    : context_(context), next_embedded_worker_id_(0) {
+}
 
 scoped_ptr<EmbeddedWorkerInstance> EmbeddedWorkerRegistry::CreateWorker() {
   scoped_ptr<EmbeddedWorkerInstance> worker(
-      new EmbeddedWorkerInstance(this, next_embedded_worker_id_));
+      new EmbeddedWorkerInstance(context_, next_embedded_worker_id_));
   worker_map_[next_embedded_worker_id_++] = worker.get();
   return worker.Pass();
 }
 
-void EmbeddedWorkerRegistry::StartWorker(const std::vector<int>& process_ids,
-                                         int embedded_worker_id,
-                                         int64 service_worker_version_id,
-                                         const GURL& scope,
-                                         const GURL& script_url,
-                                         const StatusCallback& callback) {
-  if (!context_) {
-    callback.Run(SERVICE_WORKER_ERROR_ABORT);
-    return;
-  }
-  scoped_ptr<EmbeddedWorkerMsg_StartWorker_Params> params(
-      new EmbeddedWorkerMsg_StartWorker_Params());
-  params->embedded_worker_id = embedded_worker_id;
-  params->service_worker_version_id = service_worker_version_id;
-  params->scope = scope;
-  params->script_url = script_url;
-  params->worker_devtools_agent_route_id = MSG_ROUTING_NONE;
-  context_->process_manager()->AllocateWorkerProcess(
-      process_ids,
-      script_url,
-      base::Bind(&EmbeddedWorkerRegistry::StartWorkerWithProcessId,
-                 this,
-                 embedded_worker_id,
-                 base::Passed(&params),
-                 callback));
-}
-
 ServiceWorkerStatusCode EmbeddedWorkerRegistry::StopWorker(
     int process_id, int embedded_worker_id) {
-  if (context_)
-    context_->process_manager()->ReleaseWorkerProcess(process_id);
   return Send(process_id,
               new EmbeddedWorkerMsg_StopWorker(embedded_worker_id));
 }
@@ -210,37 +181,10 @@ EmbeddedWorkerRegistry::~EmbeddedWorkerRegistry() {
   Shutdown();
 }
 
-void EmbeddedWorkerRegistry::StartWorkerWithProcessId(
-    int embedded_worker_id,
+void EmbeddedWorkerRegistry::SendStartWorker(
     scoped_ptr<EmbeddedWorkerMsg_StartWorker_Params> params,
     const StatusCallback& callback,
-    ServiceWorkerStatusCode status,
     int process_id) {
-  WorkerInstanceMap::const_iterator worker =
-      worker_map_.find(embedded_worker_id);
-  if (worker == worker_map_.end()) {
-    // The Instance was destroyed before it could finish starting.  Undo what
-    // we've done so far.
-    if (context_)
-      context_->process_manager()->ReleaseWorkerProcess(process_id);
-    callback.Run(SERVICE_WORKER_ERROR_ABORT);
-    return;
-  }
-  if (status == SERVICE_WORKER_OK) {
-    // Gets the new routing id for the renderer process.
-    scoped_refptr<RenderWidgetHelper> helper(
-        RenderWidgetHelper::FromProcessHostID(process_id));
-    // |helper| may be NULL in unittest.
-    params->worker_devtools_agent_route_id =
-        helper ? helper->GetNextRoutingID() : MSG_ROUTING_NONE;
-  }
-  worker->second->RecordProcessId(
-      process_id, status, params->worker_devtools_agent_route_id);
-
-  if (status != SERVICE_WORKER_OK) {
-    callback.Run(status);
-    return;
-  }
   // The ServiceWorkerDispatcherHost is supposed to be created when the process
   // is created, and keep an entry in process_sender_map_ for its whole
   // lifetime.

content/browser/service_worker/embedded_worker_registry.h

@@ -50,12 +50,9 @@ class CONTENT_EXPORT EmbeddedWorkerRegistry
   scoped_ptr<EmbeddedWorkerInstance> CreateWorker();
 
   // Called from EmbeddedWorkerInstance, relayed to the child process.
-  void StartWorker(const std::vector<int>& process_ids,
-                   int embedded_worker_id,
-                   int64 service_worker_version_id,
-                   const GURL& scope,
-                   const GURL& script_url,
-                   const StatusCallback& callback);
+  void SendStartWorker(scoped_ptr<EmbeddedWorkerMsg_StartWorker_Params> params,
+                       const StatusCallback& callback,
+                       int process_id);
   ServiceWorkerStatusCode StopWorker(int process_id,
                                      int embedded_worker_id);
 
@@ -96,13 +93,6 @@ class CONTENT_EXPORT EmbeddedWorkerRegistry
 
   ~EmbeddedWorkerRegistry();
 
-  void StartWorkerWithProcessId(
-      int embedded_worker_id,
-      scoped_ptr<EmbeddedWorkerMsg_StartWorker_Params> params,
-      const StatusCallback& callback,
-      ServiceWorkerStatusCode status,
-      int process_id);
-
   ServiceWorkerStatusCode Send(int process_id, IPC::Message* message);
 
   // RemoveWorker is called when EmbeddedWorkerInstance is destructed.

content/common/service_worker/embedded_worker_messages.h

@@ -23,6 +23,7 @@ IPC_STRUCT_BEGIN(EmbeddedWorkerMsg_StartWorker_Params)
   IPC_STRUCT_MEMBER(GURL, scope)
   IPC_STRUCT_MEMBER(GURL, script_url)
   IPC_STRUCT_MEMBER(int, worker_devtools_agent_route_id)
+  IPC_STRUCT_MEMBER(bool, pause_on_start)
 IPC_STRUCT_END()
 
 // Parameters structure for EmbeddedWorkerHostMsg_ReportConsoleMessage.

content/renderer/service_worker/embedded_worker_dispatcher.cc

@@ -82,7 +82,9 @@ void EmbeddedWorkerDispatcher::OnStartWorker(
   blink::WebEmbeddedWorkerStartData start_data;
   start_data.scriptURL = params.script_url;
   start_data.userAgent = base::UTF8ToUTF16(GetContentClient()->GetUserAgent());
-  start_data.startMode = blink::WebEmbeddedWorkerStartModeDontPauseOnStart;
+  start_data.startMode =
+      params.pause_on_start ? blink::WebEmbeddedWorkerStartModePauseOnStart
+                            : blink::WebEmbeddedWorkerStartModeDontPauseOnStart;
 
   wrapper->worker()->startWorkerContext(start_data);
   workers_.AddWithID(wrapper.release(), params.embedded_worker_id);