cc: Move updateDrawProperties to LayerTreeImpl

cc/layer_tree_host_impl.h

Index: cc/layer_tree_host_impl.h
diff --git a/cc/layer_tree_host_impl.h b/cc/layer_tree_host_impl.h
index d2617f2d6458f6c87be1756b2a0d34be3d038fd1..25922c8698732081cf7750d02ded974be57e5ea5 100644
--- a/cc/layer_tree_host_impl.h
+++ b/cc/layer_tree_host_impl.h
@@ -141,7 +141,7 @@ public:
         std::vector<gfx::Rect> nonOccludingScreenSpaceRects;
         RenderPassList renderPasses;
         RenderPassIdHashMap renderPassesById;
-        LayerList* renderSurfaceLayerList;
+        const LayerList* renderSurfaceLayerList;
         LayerList willDrawLayers;
 
         // RenderPassSink implementation.
@@ -389,10 +389,6 @@ private:
     // This is used for ticking animations slowly when hidden.
     scoped_ptr<LayerTreeHostImplTimeSourceAdapter> m_timeSourceClientAdapter;
 
-    // List of visible layers for the most recently prepared frame. Used for
-    // rendering and input event hit testing.
-    LayerList m_renderSurfaceLayerList;
-
     PinchZoomViewport m_pinchZoomViewport;
 
     scoped_ptr<FrameRateCounter> m_fpsCounter;