Not for review - Rebase of crrev.com/62833003

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 334 matching lines @@
 
     // Returns a localized string resource (with substitution parameters).
     virtual WebString queryLocalizedString(WebLocalizedString::Name) { return WebString(); }
     virtual WebString queryLocalizedString(WebLocalizedString::Name, const WebString& parameter) { return WebString(); }
     virtual WebString queryLocalizedString(WebLocalizedString::Name, const WebString& parameter1, const WebString& parameter2) { return WebString(); }
 
 
     // Threads -------------------------------------------------------
 
     // Creates an embedder-defined thread.
-    virtual WebThread* createThread(const char* name) { return 0; }
+    virtual WebThread* createThread(const char* name, bool isCompositorThread = false) { 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() { }
 
+    // Returns an interface to the compositor thread associated with the current
+    // thread, if there is one. It is an error to associate multiple compositor
+    // threads with a single renderer.
+    virtual WebThread* currentCompositorThread() { return 0; }
+
     // 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.
@@ skipping 268 matching lines @@
 
     virtual WebGeofencingProvider* geofencingProvider() { return 0; }
 
 protected:
     virtual ~Platform() { }
 };
 
 } // namespace blink
 
 #endif