cc: Remove EnsureRenderSurfaceLayerList, do UpdateDrawProps when needed.

cc/layers/layer_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_LAYERS_LAYER_IMPL_H_
 #define CC_LAYERS_LAYER_IMPL_H_
 
 #include <set>
 #include <string>
 
@@ skipping 497 matching lines @@
   bool HasScrollbar(ScrollbarOrientation orientation) const;
   void ScrollbarParametersDidChange();
   int clip_height() {
     return scroll_clip_layer_ ? scroll_clip_layer_->bounds().height() : 0;
   }
 
   gfx::Rect LayerRectToContentRect(const gfx::RectF& layer_rect) const;
 
   virtual skia::RefPtr<SkPicture> GetPicture();
 
-  virtual bool AreVisibleResourcesReady() const;
-
   virtual scoped_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl);
   virtual void PushPropertiesTo(LayerImpl* layer);
 
   scoped_ptr<base::Value> AsValue() const;
   virtual size_t GPUMemoryUsageInBytes() const;
 
   void SetNeedsPushProperties();
   void AddDependentNeedsPushProperties();
   void RemoveDependentNeedsPushProperties();
   bool parent_should_know_need_push_properties() const {
@@ skipping 160 matching lines @@
   DrawProperties<LayerImpl> draw_properties_;
 
   scoped_refptr<base::debug::ConvertableToTraceFormat> debug_info_;
 
   DISALLOW_COPY_AND_ASSIGN(LayerImpl);
 };
 
 }  // namespace cc
 
 #endif  // CC_LAYERS_LAYER_IMPL_H_