Patch 2/3 to get WebScheduler via WebThread

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 80 matching lines @@
 class WebNavigatorConnectProvider;
 class WebNotificationManager;
 class WebPermissionClient;
 class WebPluginListBuilder;
 class WebPrescientNetworking;
 class WebPublicSuffixList;
 class WebPushProvider;
 class WebRTCPeerConnectionHandler;
 class WebRTCPeerConnectionHandlerClient;
 class WebSandboxSupport;
-class WebScheduler;
 class WebSecurityOrigin;
 class WebScrollbarBehavior;
 class WebServiceWorkerCacheStorage;
 class WebSocketHandle;
 class WebSpeechSynthesizer;
 class WebSpeechSynthesizerClient;
 class WebStorageNamespace;
 class WebSyncProvider;
 struct WebFloatPoint;
 class WebThemeEngine;
@@ skipping 259 matching lines @@
     // Creates an embedder-defined thread.
     virtual WebThread* createThread(const char* name) { return 0; }
 
     // Returns an interface to the current thread. This is owned by the
     // embedder.
     virtual WebThread* currentThread() { return 0; }
 
     // Yield the current thread so another thread can be scheduled.
     virtual void yieldCurrentThread() { }
 
-    // May return null.
-    virtual WebScheduler* scheduler() { return 0; }
-
     // WaitableEvent -------------------------------------------------------
 
     // Creates an embedder-defined waitable event object.
     virtual WebWaitableEvent* createWaitableEvent() { return 0; }
 
     // Waits on multiple events and returns the event object that has been
     // signaled. This may return 0 if it fails to wait events.
     // Any event objects given to this method must not deleted while this
     // wait is happening.
     virtual WebWaitableEvent* waitMultipleEvents(const WebVector<WebWaitableEvent*>& events) { return 0; }
@@ skipping 309 matching lines @@
 protected:
     BLINK_PLATFORM_EXPORT Platform();
     virtual ~Platform() { }
 
     WebThread* m_mainThread;
 };
 
 } // namespace blink
 
 #endif