Update from https://crrev.com/317530

cc/trees/layer_tree_impl.h

 // Copyright 2012 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_IMPL_H_
 #define CC_TREES_LAYER_TREE_IMPL_H_
 
 #include <set>
 #include <string>
 #include <vector>
@@ skipping 69 matching lines @@
   TileManager* tile_manager() const;
   FrameRateCounter* frame_rate_counter() const;
   PaintTimeCounter* paint_time_counter() const;
   MemoryHistory* memory_history() const;
   gfx::Size device_viewport_size() const;
   float device_scale_factor() const;
   DebugRectHistory* debug_rect_history() const;
   bool IsActiveTree() const;
   bool IsPendingTree() const;
   bool IsRecycleTree() const;
+  bool IsSyncTree() const;
   LayerImpl* FindActiveTreeLayerById(int id);
   LayerImpl* FindPendingTreeLayerById(int id);
   bool PinchGestureActive() const;
   BeginFrameArgs CurrentBeginFrameArgs() const;
   base::TimeDelta begin_impl_frame_interval() const;
   void SetNeedsCommit();
   gfx::Rect DeviceViewport() const;
   gfx::Size DrawViewportSize() const;
   const gfx::Rect ViewportRectForTilePriority() const;
   scoped_ptr<ScrollbarAnimationController> CreateScrollbarAnimationController(
@@ skipping 90 matching lines @@
   }
 
   SyncedTopControls* top_controls_shown_ratio() {
     return top_controls_shown_ratio_.get();
   }
   const SyncedTopControls* top_controls_shown_ratio() const {
     return top_controls_shown_ratio_.get();
   }
 
   // Updates draw properties and render surface layer list, as well as tile
-  // priorities. Returns false if it was unable to update.
-  bool UpdateDrawProperties();
+  // priorities. Returns false if it was unable to update.  Updating lcd
+  // text may cause invalidations, so should only be done after a commit.
+  bool UpdateDrawProperties(bool update_lcd_text);
 
   void set_needs_update_draw_properties() {
     needs_update_draw_properties_ = true;
   }
   bool needs_update_draw_properties() const {
     return needs_update_draw_properties_;
   }
 
   void set_needs_full_tree_sync(bool needs) { needs_full_tree_sync_ = needs; }
   bool needs_full_tree_sync() const { return needs_full_tree_sync_; }
@@ skipping 204 matching lines @@
 
   scoped_ptr<PendingPageScaleAnimation> pending_page_scale_animation_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(LayerTreeImpl);
 };
 
 }  // namespace cc
 
 #endif  // CC_TREES_LAYER_TREE_IMPL_H_