cc: Rename LayerImpl::render_surface to GetRenderSurface

cc/layers/render_surface_impl_unittest.cc

Index: cc/layers/render_surface_impl_unittest.cc
diff --git a/cc/layers/render_surface_impl_unittest.cc b/cc/layers/render_surface_impl_unittest.cc
index df81ad140404eaa09964cb26791d9da07d758e18..2095c941effaa663e5f8c410195fec7e4e7d8581 100644
--- a/cc/layers/render_surface_impl_unittest.cc
+++ b/cc/layers/render_surface_impl_unittest.cc
@@ -28,7 +28,8 @@ TEST(RenderSurfaceLayerImplTest, Occlusion) {
 
   impl.CalcDrawProps(viewport_size);
 
-  RenderSurfaceImpl* render_surface_impl = owning_layer_impl->render_surface();
+  RenderSurfaceImpl* render_surface_impl =
+      owning_layer_impl->GetRenderSurface();
   ASSERT_TRUE(render_surface_impl);
 
   {
@@ -103,7 +104,7 @@ TEST(RenderSurfaceLayerImplTest, AppendQuadsWithScaledMask) {
                                ->root_layer_for_testing()
                                ->test_properties()
                                ->children[0];
-  RenderSurfaceImpl* render_surface_impl = surface_raw->render_surface();
+  RenderSurfaceImpl* render_surface_impl = surface_raw->GetRenderSurface();
   std::unique_ptr<RenderPass> render_pass = RenderPass::Create();
   AppendQuadsData append_quads_data;
   render_surface_impl->AppendQuads(render_pass.get(), &append_quads_data);