Implement empty WorkerInternals interface.

third_party/WebKit/public/platform/Platform.h

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 39 matching lines @@
 #include "WebSpeechSynthesizer.h"
 #include "WebStorageQuotaCallbacks.h"
 #include "WebStorageQuotaType.h"
 #include "WebString.h"
 #include "WebURLError.h"
 #include "WebVector.h"
 #include "base/metrics/user_metrics_action.h"
 
 class GrContext;
 
+namespace v8 {
+class Context;
+template<class T> class Local;
+}
+
 namespace blink {
 
 class ServiceRegistry;
 class WebAudioBus;
 class WebBlobRegistry;
 class WebCanvasCaptureHandler;
 class WebClipboard;
 class WebCompositorSupport;
 class WebCookieJar;
 class WebCrypto;
@@ skipping 456 matching lines @@
     virtual void createHTMLVideoElementCapturer(WebMediaStream*, WebMediaPlayer*) {}
 
     // Creates a WebImageCaptureFrameGrabber to take a snapshot of a Video Tracks.
     // May return null if the functionality is not available.
     virtual WebImageCaptureFrameGrabber* createImageCaptureFrameGrabber() { return nullptr; }
 
     // WebWorker ----------------------------------------------------------
 
     virtual void didStartWorkerThread() { }
     virtual void willStopWorkerThread() { }
+    virtual void workerContextCreated(const v8::Local<v8::Context>& worker) { }
 
     // WebCrypto ----------------------------------------------------------
 
     virtual WebCrypto* crypto() { return nullptr; }
 
     // Mojo ---------------------------------------------------------------
 
     virtual ServiceRegistry* serviceRegistry();
 
     // Platform events -----------------------------------------------------
@@ skipping 80 matching lines @@
 protected:
     Platform();
     virtual ~Platform() { }
 
     WebThread* m_mainThread;
 };
 
 } // namespace blink
 
 #endif