cc: Split animating and drawing into separate actions

cc/trees/layer_tree_host_impl.h

 // Copyright 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CC_TREES_LAYER_TREE_HOST_IMPL_H_
 #define CC_TREES_LAYER_TREE_HOST_IMPL_H_
 
 #include <list>
 #include <set>
 #include <string>
@@ skipping 48 matching lines @@
 // LayerTreeHost->Proxy callback interface.
 class LayerTreeHostImplClient {
  public:
   virtual void UpdateRendererCapabilitiesOnImplThread() = 0;
   virtual void DidLoseOutputSurfaceOnImplThread() = 0;
   virtual void DidSwapBuffersOnImplThread() = 0;
   virtual void OnSwapBuffersCompleteOnImplThread() = 0;
   virtual void BeginImplFrame(const BeginFrameArgs& args) = 0;
   virtual void OnCanDrawStateChanged(bool can_draw) = 0;
   virtual void NotifyReadyToActivate() = 0;
-  // Please call these 2 functions through
-  // LayerTreeHostImpl's SetNeedsRedraw() and SetNeedsRedrawRect().
+  // Please call these 3 functions through
+  // LayerTreeHostImpl's SetNeedsRedraw(), SetNeedsRedrawRect() and
+  // SetNeedsAnimate().
   virtual void SetNeedsRedrawOnImplThread() = 0;
   virtual void SetNeedsRedrawRectOnImplThread(const gfx::Rect& damage_rect) = 0;
+  virtual void SetNeedsAnimateOnImplThread() = 0;
   virtual void DidInitializeVisibleTileOnImplThread() = 0;
   virtual void SetNeedsCommitOnImplThread() = 0;
   virtual void SetNeedsManageTilesOnImplThread() = 0;
   virtual void PostAnimationEventsToMainThreadOnImplThread(
       scoped_ptr<AnimationEventsVector> events) = 0;
   // Returns true if resources were deleted by this call.
   virtual bool ReduceContentsTextureMemoryOnImplThread(
       size_t limit_bytes,
       int priority_cutoff) = 0;
   virtual void SendManagedMemoryStats() = 0;
@@ skipping 205 matching lines @@
     return scroll_layer_id_when_mouse_over_scrollbar_;
   }
 
   bool IsCurrentlyScrolling() const;
 
   virtual void SetVisible(bool visible);
   bool visible() const { return visible_; }
 
   void SetNeedsCommit() { client_->SetNeedsCommitOnImplThread(); }
   void SetNeedsRedraw();
+  void SetNeedsAnimate();
 
   ManagedMemoryPolicy ActualManagedMemoryPolicy() const;
 
   size_t memory_allocation_limit_bytes() const;
   int memory_allocation_priority_cutoff() const;
 
   void SetViewportSize(const gfx::Size& device_viewport_size);
 
   void SetOverdrawBottomHeight(float overdraw_bottom_height);
   float overdraw_bottom_height() const { return overdraw_bottom_height_; }
@@ skipping 345 matching lines @@
   int id_;
 
   std::set<SwapPromiseMonitor*> swap_promise_monitor_;
 
   DISALLOW_COPY_AND_ASSIGN(LayerTreeHostImpl);
 };
 
 }  // namespace cc
 
 #endif  // CC_TREES_LAYER_TREE_HOST_IMPL_H_