Use PendingScript in ScriptRunner

This CL replaces the most of ScriptLoader references in
ScriptRunner with PendingScript.

ScriptLoader is still used
- When the script is evaluated,
  because ScriptLoader::Execute() is still in ScriptLoader.
  ScriptLoader is obtained by PendingScript::GetElement()->Loader()
  here, but this will be removed by [1] once
  ScriptLoader::Execute() is removed.
- When the script element is moved between documents, because
  we have to get PendingScript via the
  Element->ScriptLoader->PendingScript path.
  This is done by
  GetPendingScriptIfControlledByScriptRunnerForCrossDocMove()
  in MovePendingScript(), which will be the last use of
  GetPendingScriptIfControlledByScriptRunner()
  that will remain until [2] that is not planned to land soon.

No behavior changes.

[1] https://chromium-review.googlesource.com/1054553
[2] https://chromium-review.googlesource.com/1041143

Bug: 842349
Change-Id: Idc36b00c8c25fe8e24ff60e980608d8b324fec5e
Reviewed-on: https://chromium-review.googlesource.com/1053354
Commit-Queue: Hiroshige Hayashizaki <hiroshige@chromium.org>
Reviewed-by: Kouhei Ueno <kouhei@chromium.org>
Reviewed-by: Daniel Vogelheim <vogelheim@chromium.org>
Cr-Commit-Position: refs/heads/master@{#560874}

third_party/blink/renderer/core/script/script_loader.cc

@@ -612,7 +612,8 @@ bool ScriptLoader::PrepareScript(const TextPosition& script_start_position,
     pending_script_ = TakePendingScript(ScriptSchedulingType::kInOrder);
     // TODO(hiroshige): Here |contextDocument| is used as "node document"
     // while Step 14 uses |elementDocument| as "node document". Fix this.
-    context_document->GetScriptRunner()->QueueScriptForExecution(this);
+    context_document->GetScriptRunner()->QueueScriptForExecution(
+        pending_script_);
     // Note that watchForLoad can immediately call pendingScriptFinished.
     pending_script_->WatchForLoad(this);
     // The part "When the script is ready..." is implemented in
@@ -637,7 +638,8 @@ bool ScriptLoader::PrepareScript(const TextPosition& script_start_position,
     pending_script_ = TakePendingScript(ScriptSchedulingType::kAsync);
     // TODO(hiroshige): Here |contextDocument| is used as "node document"
     // while Step 14 uses |elementDocument| as "node document". Fix this.
-    context_document->GetScriptRunner()->QueueScriptForExecution(this);
+    context_document->GetScriptRunner()->QueueScriptForExecution(
+        pending_script_);
     // Note that watchForLoad can immediately call pendingScriptFinished.
     pending_script_->WatchForLoad(this);
     // The part "When the script is ready..." is implemented in
@@ -936,7 +938,8 @@ void ScriptLoader::PendingScriptFinished(PendingScript* pending_script) {
     return;
   }
 
-  context_document->GetScriptRunner()->NotifyScriptReady(this);
+  DCHECK_EQ(pending_script->GetElement()->Loader(), this);
+  context_document->GetScriptRunner()->NotifyScriptReady(pending_script);
   pending_script_->StopWatchingForLoad();
 }
 
@@ -979,4 +982,10 @@ PendingScript* ScriptLoader::GetPendingScriptIfControlledByScriptRunner() {
   return pending_script_;
 }
 
+PendingScript*
+ScriptLoader::GetPendingScriptIfControlledByScriptRunnerForCrossDocMove() {
+  DCHECK(!pending_script_ || pending_script_->IsControlledByScriptRunner());
+  return pending_script_;
+}
+
 }  // namespace blink

third_party/blink/renderer/core/script/script_loader.h

@@ -121,6 +121,11 @@ class CORE_EXPORT ScriptLoader : public GarbageCollectedFinalized<ScriptLoader>,
   // please use with care. (Method is virtual to support testing.)
   virtual PendingScript* GetPendingScriptIfControlledByScriptRunner();
 
+  // Return non-null if controlled by ScriptRunner, or null otherwise.
+  // Only for ScriptRunner::MovePendingScript() and should be removed once
+  // crbug.com/721914 is fixed.
+  PendingScript* GetPendingScriptIfControlledByScriptRunnerForCrossDocMove();
+
  protected:
   ScriptLoader(ScriptElementBase*, bool created_by_parser, bool is_evaluated);
 

third_party/blink/renderer/core/script/script_runner.cc

@@ -44,20 +44,17 @@ ScriptRunner::ScriptRunner(Document* document)
   DCHECK(document);
 }
 
-void ScriptRunner::QueueScriptForExecution(ScriptLoader* script_loader) {
-  DCHECK(script_loader);
-  PendingScript* pending_script =
-      script_loader->GetPendingScriptIfControlledByScriptRunner();
+void ScriptRunner::QueueScriptForExecution(PendingScript* pending_script) {
   DCHECK(pending_script);
   document_->IncrementLoadEventDelayCount();
   switch (pending_script->GetSchedulingType()) {
     case ScriptSchedulingType::kAsync:
-      pending_async_scripts_.insert(script_loader);
-      TryStream(script_loader);
+      pending_async_scripts_.insert(pending_script);
+      TryStream(pending_script);
       break;
 
     case ScriptSchedulingType::kInOrder:
-      pending_in_order_scripts_.push_back(script_loader);
+      pending_in_order_scripts_.push_back(pending_script);
       number_of_in_order_scripts_with_pending_notification_++;
       break;
 
@@ -99,7 +96,6 @@ void ScriptRunner::Resume() {
 void ScriptRunner::ScheduleReadyInOrderScripts() {
   while (!pending_in_order_scripts_.IsEmpty() &&
          pending_in_order_scripts_.front()
-             ->GetPendingScriptIfControlledByScriptRunner()
              ->IsReady()) {
     in_order_scripts_to_execute_soon_.push_back(
         pending_in_order_scripts_.TakeFirst());
@@ -107,21 +103,18 @@ void ScriptRunner::ScheduleReadyInOrderScripts() {
   }
 }
 
-void ScriptRunner::NotifyScriptReady(ScriptLoader* script_loader) {
-  SECURITY_CHECK(script_loader);
-  PendingScript* pending_script =
-      script_loader->GetPendingScriptIfControlledByScriptRunner();
-  DCHECK(pending_script);
+void ScriptRunner::NotifyScriptReady(PendingScript* pending_script) {
+  SECURITY_CHECK(pending_script);
   switch (pending_script->GetSchedulingType()) {
     case ScriptSchedulingType::kAsync:
       // SECURITY_CHECK() makes us crash in a controlled way in error cases
-      // where the ScriptLoader is associated with the wrong ScriptRunner
+      // where the PendingScript is associated with the wrong ScriptRunner
       // (otherwise we'd cause a use-after-free in ~ScriptRunner when it tries
       // to detach).
-      SECURITY_CHECK(pending_async_scripts_.Contains(script_loader));
+      SECURITY_CHECK(pending_async_scripts_.Contains(pending_script));
 
-      pending_async_scripts_.erase(script_loader);
-      async_scripts_to_execute_soon_.push_back(script_loader);
+      pending_async_scripts_.erase(pending_script);
+      async_scripts_to_execute_soon_.push_back(pending_script);
 
       PostTask(FROM_HERE);
       TryStreamAny();
@@ -141,9 +134,9 @@ void ScriptRunner::NotifyScriptReady(ScriptLoader* script_loader) {
   }
 }
 
-bool ScriptRunner::RemovePendingInOrderScript(ScriptLoader* script_loader) {
+bool ScriptRunner::RemovePendingInOrderScript(PendingScript* pending_script) {
   auto it = std::find(pending_in_order_scripts_.begin(),
-                      pending_in_order_scripts_.end(), script_loader);
+                      pending_in_order_scripts_.end(), pending_script);
   if (it == pending_in_order_scripts_.end())
     return false;
   pending_in_order_scripts_.erase(it);
@@ -180,23 +173,35 @@ void ScriptRunner::MovePendingScript(Document& old_document,
     DCHECK(!old_document.GetFrame());
     old_context_document = &old_document;
   }
-  if (old_context_document != new_context_document) {
-    old_context_document->GetScriptRunner()->MovePendingScript(
-        new_context_document->GetScriptRunner(), script_loader);
+
+  if (old_context_document == new_context_document)
+    return;
+
+  PendingScript* pending_script =
+      script_loader
+          ->GetPendingScriptIfControlledByScriptRunnerForCrossDocMove();
+  if (!pending_script) {
+    // The ScriptLoader is not controlled by ScriptRunner. This can happen
+    // because MovePendingScript() is called for all <script> elements
+    // moved between Documents, not only for those controlled by ScriptRunner.
+    return;
   }
+
+  old_context_document->GetScriptRunner()->MovePendingScript(
+      new_context_document->GetScriptRunner(), pending_script);
 }
 
 void ScriptRunner::MovePendingScript(ScriptRunner* new_runner,
-                                     ScriptLoader* script_loader) {
-  auto it = pending_async_scripts_.find(script_loader);
+                                     PendingScript* pending_script) {
+  auto it = pending_async_scripts_.find(pending_script);
   if (it != pending_async_scripts_.end()) {
-    new_runner->QueueScriptForExecution(script_loader);
+    new_runner->QueueScriptForExecution(pending_script);
     pending_async_scripts_.erase(it);
     document_->DecrementLoadEventDelayCount();
     return;
   }
-  if (RemovePendingInOrderScript(script_loader)) {
-    new_runner->QueueScriptForExecution(script_loader);
+  if (RemovePendingInOrderScript(pending_script)) {
+    new_runner->QueueScriptForExecution(pending_script);
     document_->DecrementLoadEventDelayCount();
   }
 }
@@ -205,13 +210,18 @@ bool ScriptRunner::ExecuteInOrderTask() {
   if (in_order_scripts_to_execute_soon_.IsEmpty())
     return false;
 
-  DCHECK_EQ(in_order_scripts_to_execute_soon_.front()
-                ->GetPendingScriptIfControlledByScriptRunner()
-                ->GetSchedulingType(),
-            ScriptSchedulingType::kInOrder)
+  PendingScript* pending_script = in_order_scripts_to_execute_soon_.TakeFirst();
+  DCHECK(pending_script);
+  DCHECK_EQ(pending_script->GetSchedulingType(), ScriptSchedulingType::kInOrder)
       << "In-order scripts queue should not contain any async script.";
 
-  in_order_scripts_to_execute_soon_.TakeFirst()->Execute();
+  // TODO(hiroshige): Move ExecuteScriptBlock() to PendingScript and remove
+  // the use of ScriptLoader here.
+  ScriptLoader* script_loader = pending_script->GetElement()->Loader();
+  DCHECK(script_loader);
+  DCHECK_EQ(script_loader->GetPendingScriptIfControlledByScriptRunner(),
+            pending_script);
+  script_loader->Execute();
 
   document_->DecrementLoadEventDelayCount();
   return true;
@@ -219,11 +229,9 @@ bool ScriptRunner::ExecuteInOrderTask() {
 
 bool ScriptRunner::ExecuteAsyncTask() {
   // Find an async script loader which is not currently streaming.
-  auto it = std::find_if(
-      async_scripts_to_execute_soon_.begin(),
-      async_scripts_to_execute_soon_.end(), [](ScriptLoader* loader) {
-        PendingScript* pending_script =
-            loader->GetPendingScriptIfControlledByScriptRunner();
+  auto it = std::find_if(async_scripts_to_execute_soon_.begin(),
+                         async_scripts_to_execute_soon_.end(),
+                         [](PendingScript* pending_script) {
                            DCHECK(pending_script);
                            return !pending_script->IsCurrentlyStreaming();
                          });
@@ -232,9 +240,20 @@ bool ScriptRunner::ExecuteAsyncTask() {
   }
 
   // Remove the async script loader from the ready-to-exec set and execute.
-  ScriptLoader* async_script_to_execute = *it;
+  PendingScript* pending_script = *it;
   async_scripts_to_execute_soon_.erase(it);
-  async_script_to_execute->Execute();
+
+  DCHECK_EQ(pending_script->GetSchedulingType(), ScriptSchedulingType::kAsync)
+      << "Async scripts queue should not contain any in-order script.";
+
+  // TODO(hiroshige): Move ExecuteScriptBlock() to PendingScript and remove
+  // the use of ScriptLoader here.
+  ScriptLoader* script_loader = pending_script->GetElement()->Loader();
+  DCHECK(script_loader);
+  DCHECK_EQ(script_loader->GetPendingScriptIfControlledByScriptRunner(),
+            pending_script);
+  script_loader->Execute();
+
   document_->DecrementLoadEventDelayCount();
   return true;
 }
@@ -265,33 +284,31 @@ void ScriptRunner::TryStreamAny() {
     return;
 
   // Look through async_scripts_to_execute_soon_, and stream any one of them.
-  for (auto script_loader : async_scripts_to_execute_soon_) {
-    if (DoTryStream(script_loader))
+  for (auto pending_script : async_scripts_to_execute_soon_) {
+    if (DoTryStream(pending_script))
       return;
   }
 }
 
-void ScriptRunner::TryStream(ScriptLoader* script_loader) {
+void ScriptRunner::TryStream(PendingScript* pending_script) {
   if (!is_suspended_)
-    DoTryStream(script_loader);
+    DoTryStream(pending_script);
 }
 
-bool ScriptRunner::DoTryStream(ScriptLoader* script_loader) {
+bool ScriptRunner::DoTryStream(PendingScript* pending_script) {
   // Checks that all callers should have already done.
   DCHECK(!is_suspended_);
-  DCHECK(script_loader);
+  DCHECK(pending_script);
 
   // Currently, we stream only async scripts in this function.
   // Note: HTMLParserScriptRunner kicks streaming for deferred or blocking
   // scripts.
-  DCHECK(pending_async_scripts_.find(script_loader) !=
+  DCHECK(pending_async_scripts_.find(pending_script) !=
              pending_async_scripts_.end() ||
          std::find(async_scripts_to_execute_soon_.begin(),
                    async_scripts_to_execute_soon_.end(),
-                   script_loader) != async_scripts_to_execute_soon_.end());
+                   pending_script) != async_scripts_to_execute_soon_.end());
 
-  PendingScript* pending_script =
-      script_loader->GetPendingScriptIfControlledByScriptRunner();
   if (!pending_script)
     return false;
 

third_party/blink/renderer/core/script/script_runner.h

@@ -39,6 +39,7 @@
 namespace blink {
 
 class Document;
+class PendingScript;
 class ScriptLoader;
 
 class CORE_EXPORT ScriptRunner final
@@ -49,14 +50,14 @@ class CORE_EXPORT ScriptRunner final
     return new ScriptRunner(document);
   }
 
-  void QueueScriptForExecution(ScriptLoader*);
+  void QueueScriptForExecution(PendingScript*);
   bool HasPendingScripts() const {
     return !pending_in_order_scripts_.IsEmpty() ||
            !pending_async_scripts_.IsEmpty();
   }
   void Suspend();
   void Resume();
-  void NotifyScriptReady(ScriptLoader*);
+  void NotifyScriptReady(PendingScript*);
   void NotifyScriptStreamerFinished();
 
   static void MovePendingScript(Document&, Document&, ScriptLoader*);
@@ -70,8 +71,8 @@ class CORE_EXPORT ScriptRunner final
 
   explicit ScriptRunner(Document*);
 
-  void MovePendingScript(ScriptRunner*, ScriptLoader*);
-  bool RemovePendingInOrderScript(ScriptLoader*);
+  void MovePendingScript(ScriptRunner*, PendingScript*);
+  bool RemovePendingInOrderScript(PendingScript*);
   void ScheduleReadyInOrderScripts();
 
   void PostTask(const base::Location&);
@@ -87,18 +88,19 @@ class CORE_EXPORT ScriptRunner final
   void ExecuteTask();
 
   // Try to start streaming a specific script or any available script.
-  void TryStream(ScriptLoader*);
+  void TryStream(PendingScript*);
   void TryStreamAny();
-  bool DoTryStream(ScriptLoader*);  // Implementation for both Try* methods.
+  bool DoTryStream(PendingScript*);  // Implementation for both Try* methods.
 
   Member<Document> document_;
 
-  HeapDeque<TraceWrapperMember<ScriptLoader>> pending_in_order_scripts_;
-  HeapHashSet<TraceWrapperMember<ScriptLoader>> pending_async_scripts_;
+  HeapDeque<TraceWrapperMember<PendingScript>> pending_in_order_scripts_;
+  HeapHashSet<TraceWrapperMember<PendingScript>> pending_async_scripts_;
 
   // http://www.whatwg.org/specs/web-apps/current-work/#set-of-scripts-that-will-execute-as-soon-as-possible
-  HeapDeque<TraceWrapperMember<ScriptLoader>> async_scripts_to_execute_soon_;
-  HeapDeque<TraceWrapperMember<ScriptLoader>> in_order_scripts_to_execute_soon_;
+  HeapDeque<TraceWrapperMember<PendingScript>> async_scripts_to_execute_soon_;
+  HeapDeque<TraceWrapperMember<PendingScript>>
+      in_order_scripts_to_execute_soon_;
 
   scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
 

third_party/blink/renderer/core/script/script_runner_test.cc

@@ -157,9 +157,16 @@ class ScriptRunnerTest : public testing::Test {
 
  protected:
   void NotifyScriptReady(MockScriptLoader* script_loader) {
-    script_loader->GetPendingScriptIfControlledByScriptRunner()->SetIsReady(
-        true);
-    script_runner_->NotifyScriptReady(script_loader);
+    MockPendingScript* pending_script =
+        script_loader->GetPendingScriptIfControlledByScriptRunner();
+    pending_script->SetIsReady(true);
+    script_runner_->NotifyScriptReady(pending_script);
+  }
+
+  void QueueScriptForExecution(MockScriptLoader* script_loader) {
+    MockPendingScript* pending_script =
+        script_loader->GetPendingScriptIfControlledByScriptRunner();
+    script_runner_->QueueScriptForExecution(pending_script);
   }
 
   Persistent<Document> document_;
@@ -172,7 +179,7 @@ class ScriptRunnerTest : public testing::Test {
 TEST_F(ScriptRunnerTest, QueueSingleScript_Async) {
   auto* script_loader = MockScriptLoader::CreateAsync(document_);
 
-  script_runner_->QueueScriptForExecution(script_loader);
+  QueueScriptForExecution(script_loader);
   NotifyScriptReady(script_loader);
 
   EXPECT_CALL(*script_loader, Execute());
@@ -181,7 +188,7 @@ TEST_F(ScriptRunnerTest, QueueSingleScript_Async) {
 
 TEST_F(ScriptRunnerTest, QueueSingleScript_InOrder) {
   auto* script_loader = MockScriptLoader::CreateInOrder(document_);
-  script_runner_->QueueScriptForExecution(script_loader);
+  QueueScriptForExecution(script_loader);
 
   EXPECT_CALL(*script_loader, Execute());
 
@@ -200,8 +207,8 @@ TEST_F(ScriptRunnerTest, QueueMultipleScripts_InOrder) {
   script_loaders.push_back(script_loader2);
   script_loaders.push_back(script_loader3);
 
-  for (ScriptLoader* script_loader : script_loaders) {
-    script_runner_->QueueScriptForExecution(script_loader);
+  for (MockScriptLoader* script_loader : script_loaders) {
+    QueueScriptForExecution(script_loader);
   }
 
   for (size_t i = 0; i < script_loaders.size(); ++i) {
@@ -226,11 +233,11 @@ TEST_F(ScriptRunnerTest, QueueMixedScripts) {
   auto* script_loader4 = MockScriptLoader::CreateAsync(document_);
   auto* script_loader5 = MockScriptLoader::CreateAsync(document_);
 
-  script_runner_->QueueScriptForExecution(script_loader1);
-  script_runner_->QueueScriptForExecution(script_loader2);
-  script_runner_->QueueScriptForExecution(script_loader3);
-  script_runner_->QueueScriptForExecution(script_loader4);
-  script_runner_->QueueScriptForExecution(script_loader5);
+  QueueScriptForExecution(script_loader1);
+  QueueScriptForExecution(script_loader2);
+  QueueScriptForExecution(script_loader3);
+  QueueScriptForExecution(script_loader4);
+  QueueScriptForExecution(script_loader5);
 
   NotifyScriptReady(script_loader1);
   NotifyScriptReady(script_loader2);
@@ -265,9 +272,9 @@ TEST_F(ScriptRunnerTest, QueueReentrantScript_Async) {
   auto* script_loader2 = MockScriptLoader::CreateAsync(document_);
   auto* script_loader3 = MockScriptLoader::CreateAsync(document_);
 
-  script_runner_->QueueScriptForExecution(script_loader1);
-  script_runner_->QueueScriptForExecution(script_loader2);
-  script_runner_->QueueScriptForExecution(script_loader3);
+  QueueScriptForExecution(script_loader1);
+  QueueScriptForExecution(script_loader2);
+  QueueScriptForExecution(script_loader3);
   NotifyScriptReady(script_loader1);
 
   auto* script_loader = script_loader2;
@@ -305,14 +312,14 @@ TEST_F(ScriptRunnerTest, QueueReentrantScript_InOrder) {
   auto* script_loader2 = MockScriptLoader::CreateInOrder(document_);
   auto* script_loader3 = MockScriptLoader::CreateInOrder(document_);
 
-  script_runner_->QueueScriptForExecution(script_loader1);
+  QueueScriptForExecution(script_loader1);
   NotifyScriptReady(script_loader1);
 
   MockScriptLoader* script_loader = script_loader2;
   EXPECT_CALL(*script_loader1, Execute())
       .WillOnce(Invoke([script_loader, &script_loader2, this] {
         order_.push_back(1);
-        script_runner_->QueueScriptForExecution(script_loader);
+        QueueScriptForExecution(script_loader);
         NotifyScriptReady(script_loader2);
       }));
 
@@ -320,7 +327,7 @@ TEST_F(ScriptRunnerTest, QueueReentrantScript_InOrder) {
   EXPECT_CALL(*script_loader2, Execute())
       .WillOnce(Invoke([script_loader, &script_loader3, this] {
         order_.push_back(2);
-        script_runner_->QueueScriptForExecution(script_loader);
+        QueueScriptForExecution(script_loader);
         NotifyScriptReady(script_loader3);
       }));
 
@@ -348,7 +355,7 @@ TEST_F(ScriptRunnerTest, QueueReentrantScript_ManyAsyncScripts) {
   for (int i = 0; i < 20; i++) {
     script_loaders[i] = MockScriptLoader::CreateAsync(document_);
 
-    script_runner_->QueueScriptForExecution(script_loaders[i]);
+    QueueScriptForExecution(script_loaders[i]);
 
     if (i > 0) {
       EXPECT_CALL(*script_loaders[i], Execute()).WillOnce(Invoke([this, i] {
@@ -381,9 +388,9 @@ TEST_F(ScriptRunnerTest, ResumeAndSuspend_InOrder) {
   auto* script_loader2 = MockScriptLoader::CreateInOrder(document_);
   auto* script_loader3 = MockScriptLoader::CreateInOrder(document_);
 
-  script_runner_->QueueScriptForExecution(script_loader1);
-  script_runner_->QueueScriptForExecution(script_loader2);
-  script_runner_->QueueScriptForExecution(script_loader3);
+  QueueScriptForExecution(script_loader1);
+  QueueScriptForExecution(script_loader2);
+  QueueScriptForExecution(script_loader3);
 
   EXPECT_CALL(*script_loader1, Execute()).WillOnce(Invoke([this] {
     order_.push_back(1);
@@ -413,9 +420,9 @@ TEST_F(ScriptRunnerTest, ResumeAndSuspend_Async) {
   auto* script_loader2 = MockScriptLoader::CreateAsync(document_);
   auto* script_loader3 = MockScriptLoader::CreateAsync(document_);
 
-  script_runner_->QueueScriptForExecution(script_loader1);
-  script_runner_->QueueScriptForExecution(script_loader2);
-  script_runner_->QueueScriptForExecution(script_loader3);
+  QueueScriptForExecution(script_loader1);
+  QueueScriptForExecution(script_loader2);
+  QueueScriptForExecution(script_loader3);
 
   NotifyScriptReady(script_loader1);
   NotifyScriptReady(script_loader2);
@@ -444,8 +451,8 @@ TEST_F(ScriptRunnerTest, LateNotifications) {
   auto* script_loader1 = MockScriptLoader::CreateInOrder(document_);
   auto* script_loader2 = MockScriptLoader::CreateInOrder(document_);
 
-  script_runner_->QueueScriptForExecution(script_loader1);
-  script_runner_->QueueScriptForExecution(script_loader2);
+  QueueScriptForExecution(script_loader1);
+  QueueScriptForExecution(script_loader2);
 
   EXPECT_CALL(*script_loader1, Execute()).WillOnce(Invoke([this] {
     order_.push_back(1);
@@ -471,8 +478,8 @@ TEST_F(ScriptRunnerTest, TasksWithDeadScriptRunner) {
   Persistent<MockScriptLoader> script_loader2 =
       MockScriptLoader::CreateAsync(document_);
 
-  script_runner_->QueueScriptForExecution(script_loader1);
-  script_runner_->QueueScriptForExecution(script_loader2);
+  QueueScriptForExecution(script_loader1);
+  QueueScriptForExecution(script_loader2);
 
   NotifyScriptReady(script_loader1);
   NotifyScriptReady(script_loader2);
@@ -493,14 +500,14 @@ TEST_F(ScriptRunnerTest, TryStreamWhenEnqueingScript) {
   auto* script_loader1 = MockScriptLoader::CreateAsync(document_);
   script_loader1->GetPendingScriptIfControlledByScriptRunner()->SetIsReady(
       true);
-  script_runner_->QueueScriptForExecution(script_loader1);
+  QueueScriptForExecution(script_loader1);
 }
 
 TEST_F(ScriptRunnerTest, DontExecuteWhileStreaming) {
   auto* script_loader = MockScriptLoader::CreateAsync(document_);
 
   // Enqueue script.
-  script_runner_->QueueScriptForExecution(script_loader);
+  QueueScriptForExecution(script_loader);
 
   // Simulate script load and mark the pending script as streaming ready.
   script_loader->GetPendingScriptIfControlledByScriptRunner()->SetIsReady(true);