Worker: Provide a way to access parent frame task runners from a worker thread

third_party/WebKit/Source/modules/compositorworker/AnimationWorkletThreadTest.cpp

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "modules/compositorworker/AnimationWorkletThread.h"
 
 #include "bindings/core/v8/ScriptSourceCode.h"
 #include "bindings/core/v8/SourceLocation.h"
 #include "bindings/core/v8/V8GCController.h"
 #include "bindings/core/v8/WorkerOrWorkletScriptController.h"
 #include "core/inspector/ConsoleMessage.h"
 #include "core/workers/InProcessWorkerObjectProxy.h"
+#include "core/workers/ParentFrameTaskRunners.h"
 #include "core/workers/WorkerBackingThread.h"
 #include "core/workers/WorkerLoaderProxy.h"
 #include "core/workers/WorkerOrWorkletGlobalScope.h"
 #include "core/workers/WorkerThreadStartupData.h"
 #include "platform/CrossThreadFunctional.h"
 #include "platform/WaitableEvent.h"
 #include "platform/WebThreadSupportingGC.h"
 #include "platform/heap/Handle.h"
 #include "platform/testing/TestingPlatformSupport.h"
 #include "platform/testing/UnitTestHelpers.h"
@@ skipping 15 matching lines @@
 
   // (Empty) WorkerReportingProxy implementation:
   void reportException(const String& errorMessage,
                        std::unique_ptr<SourceLocation>,
                        int exceptionId) override {}
   void reportConsoleMessage(MessageSource,
                             MessageLevel,
                             const String& message,
                             SourceLocation*) override {}
   void postMessageToPageInspector(const String&) override {}
+  ParentFrameTaskRunners* getParentFrameTaskRunners() override {
+    return m_parentFrameTaskRunners.get();
+  }
 
   void didEvaluateWorkerScript(bool success) override {}
   void didCloseWorkerGlobalScope() override {}
   void willDestroyWorkerGlobalScope() override {}
   void didTerminateWorkerThread() override {}
 
  private:
-  TestAnimationWorkletReportingProxy() {}
+  TestAnimationWorkletReportingProxy()
+      : m_parentFrameTaskRunners(ParentFrameTaskRunners::create(nullptr)) {}
+
+  Persistent<ParentFrameTaskRunners> m_parentFrameTaskRunners;
 };
 
 class AnimationWorkletTestPlatform : public TestingPlatformSupport {
  public:
   AnimationWorkletTestPlatform()
       : m_thread(wrapUnique(m_oldPlatform->createThread("Compositor"))) {}
 
   WebThread* compositorThread() const override { return m_thread.get(); }
 
   WebCompositorSupport* compositorSupport() override {
@@ skipping 145 matching lines @@
   ASSERT_TRUE(secondIsolate);
   EXPECT_EQ(firstIsolate, secondIsolate);
 
   // Verify that the isolate can run some scripts correctly in the second
   // worklet.
   checkWorkletCanExecuteScript(secondWorklet.get());
   secondWorklet->terminateAndWait();
 }
 
 }  // namespace blink