cc: Move timing history to the Scheduler.

cc/trees/thread_proxy.h

Index: cc/trees/thread_proxy.h
diff --git a/cc/trees/thread_proxy.h b/cc/trees/thread_proxy.h
index ef13596f213bba40dbd39c9a57ab0a7a55ac5c86..f37d022567f0b21e39cb4c30a17755cf84b3d314 100644
--- a/cc/trees/thread_proxy.h
+++ b/cc/trees/thread_proxy.h
@@ -17,7 +17,6 @@
 #include "cc/scheduler/scheduler.h"
 #include "cc/trees/layer_tree_host_impl.h"
 #include "cc/trees/proxy.h"
-#include "cc/trees/proxy_timing_history.h"
 
 namespace base {
 class SingleThreadTaskRunner;
@@ -128,10 +127,10 @@ class CC_EXPORT ThreadProxy : public Proxy,
 
     DelayedUniqueNotifier smoothness_priority_expiration_notifier;
 
-    ProxyTimingHistory timing_history;
-
     scoped_ptr<BeginFrameSource> external_begin_frame_source;
 
+    RenderingStatsInstrumentation* rendering_stats_instrumentation;
+
     // Values used to keep track of frame durations. Used only in frame timing.
     BeginFrameArgs last_begin_main_frame_args;
     BeginFrameArgs last_processed_begin_main_frame_args;
@@ -221,9 +220,6 @@ class CC_EXPORT ThreadProxy : public Proxy,
   void ScheduledActionBeginOutputSurfaceCreation() override;
   void ScheduledActionPrepareTiles() override;
   void ScheduledActionInvalidateOutputSurface() override;
-  base::TimeDelta DrawDurationEstimate() override;
-  base::TimeDelta BeginMainFrameToCommitDurationEstimate() override;
-  base::TimeDelta CommitToActivateDurationEstimate() override;
   void SendBeginFramesToChildren(const BeginFrameArgs& args) override;
   void SendBeginMainFrameNotExpectedSoon() override;