cc: Rename TileManager::ManageTiles to PrepareTiles.

cc/trees/layer_tree_host_impl.h

Index: cc/trees/layer_tree_host_impl.h
diff --git a/cc/trees/layer_tree_host_impl.h b/cc/trees/layer_tree_host_impl.h
index 1702e0937d505212906760d2446537e3a957fd16..a421ce88da284a1479b996895e21aa18b194fe3d 100644
--- a/cc/trees/layer_tree_host_impl.h
+++ b/cc/trees/layer_tree_host_impl.h
@@ -92,7 +92,7 @@ class LayerTreeHostImplClient {
   virtual void SetNeedsRedrawRectOnImplThread(const gfx::Rect& damage_rect) = 0;
   virtual void SetNeedsAnimateOnImplThread() = 0;
   virtual void SetNeedsCommitOnImplThread() = 0;
-  virtual void SetNeedsManageTilesOnImplThread() = 0;
+  virtual void SetNeedsPrepareTilesOnImplThread() = 0;
   virtual void PostAnimationEventsToMainThreadOnImplThread(
       scoped_ptr<AnimationEventsVector> events) = 0;
   // Returns true if resources were deleted by this call.
@@ -105,7 +105,7 @@ class LayerTreeHostImplClient {
       const base::Closure& start_fade,
       base::TimeDelta delay) = 0;
   virtual void DidActivateSyncTree() = 0;
-  virtual void DidManageTiles() = 0;
+  virtual void DidPrepareTiles() = 0;
 
  protected:
   virtual ~LayerTreeHostImplClient() {}
@@ -200,7 +200,7 @@ class CC_EXPORT LayerTreeHostImpl
   void DidAnimateScrollOffset();
   void SetViewportDamage(const gfx::Rect& damage_rect);
 
-  virtual void ManageTiles();
+  virtual void PrepareTiles();
 
   // Returns DRAW_SUCCESS unless problems occured preparing the frame, and we
   // should try to avoid displaying the frame. If PrepareToDraw is called,
@@ -523,7 +523,7 @@ class CC_EXPORT LayerTreeHostImpl
     return animation_registrar_->active_animation_controllers();
   }
 
-  bool manage_tiles_needed() const { return tile_priorities_dirty_; }
+  bool prepare_tiles_needed() const { return tile_priorities_dirty_; }
 
   LayerTreeHostImplClient* client_;
   Proxy* proxy_;