Delete LayerImpl::GetRenderSurface.

cc/layers/render_surface_unittest.cc

Index: cc/layers/render_surface_unittest.cc
diff --git a/cc/layers/render_surface_unittest.cc b/cc/layers/render_surface_unittest.cc
index b322ec13ec52c10733f7444591141982420e6665..05412a98f2434e0683591e7993d58b2a37df3553 100644
--- a/cc/layers/render_surface_unittest.cc
+++ b/cc/layers/render_surface_unittest.cc
@@ -10,6 +10,7 @@
 #include "cc/test/fake_impl_task_runner_provider.h"
 #include "cc/test/fake_layer_tree_host_impl.h"
 #include "cc/test/geometry_test_utils.h"
+#include "cc/test/layer_test_common.h"
 #include "cc/test/mock_occlusion_tracker.h"
 #include "cc/test/test_task_graph_runner.h"
 #include "cc/trees/layer_tree_impl.h"
@@ -53,7 +54,7 @@ TEST(RenderSurfaceTest, VerifySurfaceChangesAreTrackedProperly) {
   host_impl.active_tree()->UpdateDrawProperties(false /* update_lcd_text */);
 
   RenderSurfaceImpl* render_surface =
-      host_impl.active_tree()->root_layer_for_testing()->GetRenderSurface();
+      GetRenderSurface(host_impl.active_tree()->root_layer_for_testing());
   ASSERT_TRUE(render_surface);
 
   // Currently, the content_rect, clip_rect, and
@@ -113,9 +114,9 @@ TEST(RenderSurfaceTest, SanityCheckSurfaceCreatesCorrectSharedQuadState) {
   host_impl.active_tree()->UpdateDrawProperties(false /* update_lcd_text */);
 
   ASSERT_TRUE(
-      host_impl.active_tree()->LayerById(owning_layer_id)->GetRenderSurface());
+      GetRenderSurface(host_impl.active_tree()->LayerById(owning_layer_id)));
   RenderSurfaceImpl* render_surface =
-      host_impl.active_tree()->LayerById(owning_layer_id)->GetRenderSurface();
+      GetRenderSurface(host_impl.active_tree()->LayerById(owning_layer_id));
 
   gfx::Rect content_rect(0, 0, 50, 50);
   gfx::Rect clip_rect(5, 5, 40, 40);
@@ -171,9 +172,9 @@ TEST(RenderSurfaceTest, SanityCheckSurfaceCreatesCorrectRenderPass) {
   host_impl.active_tree()->UpdateDrawProperties(false /* update_lcd_text */);
 
   ASSERT_TRUE(
-      host_impl.active_tree()->LayerById(owning_layer_id)->GetRenderSurface());
+      GetRenderSurface(host_impl.active_tree()->LayerById(owning_layer_id)));
   RenderSurfaceImpl* render_surface =
-      host_impl.active_tree()->LayerById(owning_layer_id)->GetRenderSurface();
+      GetRenderSurface(host_impl.active_tree()->LayerById(owning_layer_id));
 
   gfx::Rect content_rect(0, 0, 50, 50);
   gfx::Transform origin;