Remove WebKit::Platform dependencies from cc

cc/frame_rate_controller.h

Index: cc/frame_rate_controller.h
diff --git a/cc/frame_rate_controller.h b/cc/frame_rate_controller.h
index d13936d1e32fa75953fa83093c0d4988fa36da3a..231ddda8a391787025a59f5a6903fe1aff583e36 100644
--- a/cc/frame_rate_controller.h
+++ b/cc/frame_rate_controller.h
@@ -7,8 +7,8 @@
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
+#include "base/memory/weak_ptr.h"
 #include "base/time.h"
-#include "cc/timer.h"
 
 namespace cc {
 
@@ -26,7 +26,7 @@ protected:
 
 class FrameRateControllerTimeSourceAdapter;
 
-class FrameRateController : public TimerClient {
+class FrameRateController {
 public:
     explicit FrameRateController(scoped_refptr<TimeSource>);
     // Alternate form of FrameRateController with unthrottled frame-rate.
@@ -59,9 +59,7 @@ protected:
     void onTimerTick();
 
     void postManualTick();
-
-    // TimerClient implementation (used for unthrottled frame-rate).
-    virtual void onTimerFired() OVERRIDE;
+    void manualTick();
 
     FrameRateControllerClient* m_client;
     int m_numFramesPending;
@@ -73,7 +71,10 @@ protected:
 
     // Members for unthrottled frame-rate.
     bool m_isTimeSourceThrottling;
-    scoped_ptr<Timer> m_manualTicker;
+    base::WeakPtrFactory<FrameRateController> m_weakFactory;
+    Thread* m_thread;
+
+    DISALLOW_COPY_AND_ASSIGN(FrameRateController);
 };
 
 }  // namespace cc