cc: Rename LayerImpl::render_surface to GetRenderSurface

cc/layers/layer_impl.cc

Index: cc/layers/layer_impl.cc
diff --git a/cc/layers/layer_impl.cc b/cc/layers/layer_impl.cc
index 6787376db42357809f6a571145f2708c61348f06..010df135a98384c50d67ff13afd3039046b93054 100644
--- a/cc/layers/layer_impl.cc
+++ b/cc/layers/layer_impl.cc
@@ -1024,7 +1024,7 @@ gfx::Rect LayerImpl::GetScaledEnclosingRectInTargetSpace(float scale) const {
                                            gfx::Rect(scaled_bounds));
 }
 
-RenderSurfaceImpl* LayerImpl::render_surface() const {
+RenderSurfaceImpl* LayerImpl::GetRenderSurface() const {
   EffectNode* effect_node = GetEffectTree().Node(effect_tree_index_);
   if (effect_node->owning_layer_id == id())
     return GetEffectTree().GetRenderSurface(effect_tree_index_);