Remove static thread pointers from CC

cc/frame_rate_counter.h

Index: cc/frame_rate_counter.h
diff --git a/cc/frame_rate_counter.h b/cc/frame_rate_counter.h
index 3196c28008b4920d0a0d241c4e4a3ac950e0fa40..2e6bb42e75470f5e1fbaa77c2f233b4d9b2b4f72 100644
--- a/cc/frame_rate_counter.h
+++ b/cc/frame_rate_counter.h
@@ -15,7 +15,7 @@ namespace cc {
 // intelligently compute average frames per second (and standard deviation).
 class CCFrameRateCounter {
 public:
-    static scoped_ptr<CCFrameRateCounter> create();
+    static scoped_ptr<CCFrameRateCounter> create(bool implThreadMode);
 
     void markBeginningOfFrame(base::TimeTicks timestamp);
     void markEndOfFrame();
@@ -34,7 +34,7 @@ public:
     int droppedFrameCount() const { return m_droppedFrameCount; }
 
 private:
-    CCFrameRateCounter();
+    explicit CCFrameRateCounter(bool implThreadMode);
 
     base::TimeDelta frameInterval(int frameNumber) const;
     int frameIndex(int frameNumber) const;
@@ -53,6 +53,8 @@ private:
 
     static const int kTimeStampHistorySize = 120;
 
+    bool m_implThreadMode;
+
     int m_currentFrameNumber;
     base::TimeTicks m_timeStampHistory[kTimeStampHistorySize];