Removed QuadSink and MockQuadCuller

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 62c88bcc719438bcff9453de6c93d3c4c525b85c..fc259b8dfc5b46d5d5e3865e0a9554f999ceb007 100644
--- a/cc/layers/render_surface_unittest.cc
+++ b/cc/layers/render_surface_unittest.cc
@@ -11,7 +11,7 @@
 #include "cc/test/fake_impl_proxy.h"
 #include "cc/test/fake_layer_tree_host_impl.h"
 #include "cc/test/geometry_test_utils.h"
-#include "cc/test/mock_quad_culler.h"
+#include "cc/test/mock_occlusion_tracker.h"
 #include "cc/test/test_shared_bitmap_manager.h"
 #include "cc/trees/single_thread_proxy.h"
 #include "testing/gmock/include/gmock/gmock.h"
@@ -109,12 +109,14 @@ TEST(RenderSurfaceTest, SanityCheckSurfaceCreatesCorrectSharedQuadState) {
 
   MockOcclusionTracker<LayerImpl> occlusion_tracker;
   scoped_ptr<RenderPass> render_pass = RenderPass::Create();
-  MockQuadCuller mock_quad_culler(render_pass.get(), &occlusion_tracker);
   AppendQuadsData append_quads_data;
 
   bool for_replica = false;
-  render_surface->AppendQuads(
-      &mock_quad_culler, &append_quads_data, for_replica, RenderPass::Id(2, 0));
+  render_surface->AppendQuads(render_pass.get(),
+                              occlusion_tracker,
+                              &append_quads_data,
+                              for_replica,
+                              RenderPass::Id(2, 0));
 
   ASSERT_EQ(1u, render_pass->shared_quad_state_list.size());
   SharedQuadState* shared_quad_state = render_pass->shared_quad_state_list[0];