cc: Rename TileManager::ManageTiles to PrepareTiles.

cc/trees/single_thread_proxy.h

Index: cc/trees/single_thread_proxy.h
diff --git a/cc/trees/single_thread_proxy.h b/cc/trees/single_thread_proxy.h
index 3eba6bb87e4b75ecaec16bf94cc2102bf0b81831..d3f41a5733e89d1b6be99c7d03c53afc786b0a7d 100644
--- a/cc/trees/single_thread_proxy.h
+++ b/cc/trees/single_thread_proxy.h
@@ -70,7 +70,7 @@ class CC_EXPORT SingleThreadProxy : public Proxy,
   void ScheduledActionAnimate() override;
   void ScheduledActionActivateSyncTree() override;
   void ScheduledActionBeginOutputSurfaceCreation() override;
-  void ScheduledActionManageTiles() override;
+  void ScheduledActionPrepareTiles() override;
   void DidAnticipatedDrawTimeChange(base::TimeTicks time) override;
   base::TimeDelta DrawDurationEstimate() override;
   base::TimeDelta BeginMainFrameToCommitDurationEstimate() override;
@@ -93,7 +93,7 @@ class CC_EXPORT SingleThreadProxy : public Proxy,
   void SetNeedsRedrawOnImplThread() override;
   void SetNeedsRedrawRectOnImplThread(const gfx::Rect& dirty_rect) override;
   void SetNeedsAnimateOnImplThread() override;
-  void SetNeedsManageTilesOnImplThread() override;
+  void SetNeedsPrepareTilesOnImplThread() override;
   void SetNeedsCommitOnImplThread() override;
   void PostAnimationEventsToMainThreadOnImplThread(
       scoped_ptr<AnimationEventsVector> events) override;
@@ -104,7 +104,7 @@ class CC_EXPORT SingleThreadProxy : public Proxy,
   void PostDelayedScrollbarFadeOnImplThread(const base::Closure& start_fade,
                                             base::TimeDelta delay) override {}
   void DidActivateSyncTree() override;
-  void DidManageTiles() override;
+  void DidPrepareTiles() override;
   void SetDebugState(const LayerTreeDebugState& debug_state) override {}
 
   void RequestNewOutputSurface();