DevTools: Push context id to the client on 'window object cleared' event.

Review URL: http://codereview.chromium.org/155217

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@20146 0039d316-1c4b-4281-b951-d872f2087c98

webkit/glue/devtools/debugger_agent.h

@@ -35,8 +35,8 @@ DEFINE_RPC_CLASS(DebuggerAgent, DEBUGGER_AGENT_STRUCT)
     METHOD4) \
   METHOD1(DebuggerOutput, std::string /* output text */) \
   \
-  /* Response to GetContextId. */ \
-  METHOD1(DidGetContextId, int /* context id */) \
+  /* Pushes debugger context id into the client. */ \
+  METHOD1(SetContextId, int /* context id */) \
   \
   /* Response to IsProfilingStarted. */ \
   METHOD1(DidIsProfilingStarted, bool /* is_started */) \

webkit/glue/devtools/debugger_agent_impl.cc

@@ -55,7 +55,7 @@ void DebuggerAgentImpl::DebugBreak() {
 }
 
 void DebuggerAgentImpl::GetContextId() {
-  delegate_->DidGetContextId(webdevtools_agent_->host_id());
+  delegate_->SetContextId(webdevtools_agent_->host_id());
 }
 
 void DebuggerAgentImpl::StartProfiling() {

webkit/glue/devtools/js/debugger_agent.js

@@ -15,8 +15,8 @@ goog.provide('devtools.DebuggerAgent');
 devtools.DebuggerAgent = function() {
   RemoteDebuggerAgent.DebuggerOutput =
       goog.bind(this.handleDebuggerOutput_, this);
-  RemoteDebuggerAgent.DidGetContextId =
-      goog.bind(this.didGetContextId_, this);
+  RemoteDebuggerAgent.SetContextId =
+      goog.bind(this.setContextId_, this);
   RemoteDebuggerAgent.DidIsProfilingStarted =
       goog.bind(this.didIsProfilingStarted_, this);
   RemoteDebuggerAgent.DidGetNextLogLines =
@@ -118,27 +118,19 @@ devtools.DebuggerAgent.prototype.reset = function() {
 };
 
 
-/**
- * Requests scripts list if it has not been requested yet.
- */
-devtools.DebuggerAgent.prototype.initializeScriptsCache = function() {
-  if (!this.scriptsCacheInitialized_) {
-    this.scriptsCacheInitialized_ = true;
-    this.requestScripts();
-  }
-};
-
-
 /**
  * Asynchronously requests for all parsed script sources. Response will be
  * processed in handleScriptsResponse_.
  */
 devtools.DebuggerAgent.prototype.requestScripts = function() {
-  if (this.contextId_ === null) {
-    // Update context id first to filter the scripts.
-    RemoteDebuggerAgent.GetContextId();
+  if (this.contextId_) {
+    // We already have context id. This means that we are here from the
+    // very beginning of the page load cycle and hence will get all scripts
+    // via after-compile events. No need to request scripts for this session.
     return;
   }
+
+  RemoteDebuggerAgent.GetContextId();
   var cmd = new devtools.DebugCommand('scripts', {
     'includeSource': false
   });
@@ -545,13 +537,11 @@ devtools.DebuggerAgent.prototype.requestLookup_ = function(handles, callback) {
 
 
 /**
- * Handles GetContextId response.
+ * Sets debugger context id for scripts filtering.
  * @param {number} contextId Id of the inspected page global context.
  */
-devtools.DebuggerAgent.prototype.didGetContextId_ = function(contextId) {
+devtools.DebuggerAgent.prototype.setContextId_ = function(contextId) {
   this.contextId_ = contextId;
-  // Update scripts.
-  this.requestScripts();
 };
 
 
@@ -719,7 +709,7 @@ devtools.DebuggerAgent.prototype.handleSetBreakpointResponse_ = function(msg) {
  * @param {devtools.DebuggerMessage} msg
  */
 devtools.DebuggerAgent.prototype.handleAfterCompileEvent_ = function(msg) {
-  if (!this.scriptsCacheInitialized_) {
+  if (!this.contextId_) {
     // Ignore scripts delta if main request has not been issued yet.
     return;
   }

webkit/glue/devtools/js/devtools.js

@@ -906,7 +906,7 @@ WebInspector.ScriptsPanel.prototype.doEvalInCallFrame =
 (function() {
   var oldShow = WebInspector.ScriptsPanel.prototype.show;
   WebInspector.ScriptsPanel.prototype.show =  function() {
-    devtools.tools.getDebuggerAgent().initializeScriptsCache();
+    devtools.tools.getDebuggerAgent().requestScripts();
     this.enableToggleButton.addStyleClass('hidden');
     oldShow.call(this);
   };

webkit/glue/webdevtoolsagent_impl.cc

@@ -167,6 +167,10 @@ void WebDevToolsAgentImpl::DidCommitLoadForFrame(
 
 void WebDevToolsAgentImpl::WindowObjectCleared(WebFrameImpl* webframe) {
   DebuggerAgentManager::SetHostId(webframe, host_id_);
+  if (attached_) {
+    // Push context id into the client if it is already attached.
+    debugger_agent_delegate_stub_->SetContextId(host_id_);
+  }
 }
 
 void WebDevToolsAgentImpl::ForceRepaint() {