Remove wtf/Functional.h

sky/engine/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 29 matching lines @@
 #include "WebGestureDevice.h"
 #include "WebGraphicsContext3D.h"
 #include "WebLocalizedString.h"
 #include "WebPlatformEventType.h"
 #include "WebString.h"
 #include "WebURLError.h"
 #include "WebVector.h"
 
 class GrContext;
 
+namespace base {
+class SingleThreadTaskRunner;
+}
+
 namespace mojo {
 class NetworkService;
 }
 
 namespace blink {
 
 class WebBlobRegistry;
 class WebClipboard;
 class WebCompositorSupport;
 class WebConvertableToTraceFormat;
@@ skipping 189 matching lines @@
     virtual void cryptographicallyRandomValues(unsigned char* buffer, size_t length) = 0;
 
     // Delayed work is driven by a shared timer.
     typedef void (*SharedTimerFunction)();
     virtual void setSharedTimerFiredFunction(SharedTimerFunction timerFunction) { }
     virtual void setSharedTimerFireInterval(double) { }
     virtual void stopSharedTimer() { }
 
     // Callable from a background WebKit thread.
     virtual void callOnMainThread(void (*func)(void*), void* context) { }
+    virtual base::SingleThreadTaskRunner* mainThreadTaskRunner() { return 0; }
 
 
     // Vibration -----------------------------------------------------------
 
     // Starts a vibration for the given duration in milliseconds. If there is currently an active
     // vibration it will be cancelled before the new one is started.
     virtual void vibrate(unsigned time) { }
 
     // Cancels the current vibration, if there is one.
     virtual void cancelVibration() { }
@@ skipping 149 matching lines @@
     // longer notify the listener, if any.
     virtual void stopListening(WebPlatformEventType type) { }
 
 protected:
     virtual ~Platform() { }
 };
 
 } // namespace blink
 
 #endif