Remove WebKit::Platform dependencies from cc

cc/resource_update_controller.h

 // Copyright 2012 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.
 
 #ifndef CCResourceUpdateController_h
 #define CCResourceUpdateController_h
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
+#include "base/memory/weak_ptr.h"
 #include "base/time.h"
 #include "cc/resource_update_queue.h"
-#include "cc/timer.h"
 
 namespace cc {
 
 class ResourceProvider;
+class Thread;
 
 class ResourceUpdateControllerClient {
 public:
     virtual void readyToFinalizeTextureUpdates() = 0;
 
 protected:
     virtual ~ResourceUpdateControllerClient() { }
 };
 
-class ResourceUpdateController : public TimerClient {
+class ResourceUpdateController {
 public:
     static scoped_ptr<ResourceUpdateController> create(ResourceUpdateControllerClient* client, Thread* thread, scoped_ptr<ResourceUpdateQueue> queue, ResourceProvider* resourceProvider)
     {
         return make_scoped_ptr(new ResourceUpdateController(client, thread, queue.Pass(), resourceProvider));
     }
     static size_t maxPartialTextureUpdates();
 
     virtual ~ResourceUpdateController();
 
     // Discard uploads to textures that were evicted on the impl thread.
     void discardUploadsToEvictedResources();
 
     void performMoreUpdates(base::TimeTicks timeLimit);
     void finalize();
 
-    // TimerClient implementation.
-    virtual void onTimerFired() OVERRIDE;
 
     // Virtual for testing.
     virtual base::TimeTicks now() const;
     virtual base::TimeDelta updateMoreTexturesTime() const;
     virtual size_t updateMoreTexturesSize() const;
 
 protected:
     ResourceUpdateController(ResourceUpdateControllerClient*, Thread*, scoped_ptr<ResourceUpdateQueue>, ResourceProvider*);
 
+private:
     static size_t maxFullUpdatesPerTick(ResourceProvider*);
 
     size_t maxBlockingUpdates() const;
 
     void updateTexture(ResourceUpdate);
 
     // This returns true when there were textures left to update.
     bool updateMoreTexturesIfEnoughTimeRemaining();
     void updateMoreTexturesNow();
+    void onTimerFired();
 
     ResourceUpdateControllerClient* m_client;
-    scoped_ptr<Timer> m_timer;
     scoped_ptr<ResourceUpdateQueue> m_queue;
     bool m_contentsTexturesPurged;
     ResourceProvider* m_resourceProvider;
     base::TimeTicks m_timeLimit;
     size_t m_textureUpdatesPerTick;
     bool m_firstUpdateAttempt;
+    Thread* m_thread;
+    base::WeakPtrFactory<ResourceUpdateController> m_weakFactory;
+    bool m_taskPosted;
 
-private:
     DISALLOW_COPY_AND_ASSIGN(ResourceUpdateController);
 };
 
 }  // namespace cc
 
 #endif // CCResourceUpdateController_h