Removed QuadSink and MockQuadCuller

cc/trees/layer_tree_host_pixeltest_on_demand_raster.cc

Index: cc/trees/layer_tree_host_pixeltest_on_demand_raster.cc
diff --git a/cc/trees/layer_tree_host_pixeltest_on_demand_raster.cc b/cc/trees/layer_tree_host_pixeltest_on_demand_raster.cc
index b7eb516004a71474a6b1e6ef2525a690462cf3b1..1553fa034dfe79d445487f7bc7702f0d5faa9f7c 100644
--- a/cc/trees/layer_tree_host_pixeltest_on_demand_raster.cc
+++ b/cc/trees/layer_tree_host_pixeltest_on_demand_raster.cc
@@ -8,7 +8,7 @@
 #include "cc/layers/picture_layer_impl.h"
 #include "cc/quads/draw_quad.h"
 #include "cc/test/layer_tree_pixel_test.h"
-#include "cc/test/mock_quad_culler.h"
+#include "cc/test/mock_occlusion_tracker.h"
 #include "cc/trees/layer_tree_impl.h"
 #include "third_party/skia/include/core/SkCanvas.h"
 #include "third_party/skia/include/core/SkColor.h"
@@ -43,10 +43,9 @@ class LayerTreeHostOnDemandRasterPixelTest : public LayerTreePixelTest {
 
     MockOcclusionTracker<LayerImpl> occlusion_tracker;
     scoped_ptr<RenderPass> render_pass = RenderPass::Create();
-    MockQuadCuller quad_culler(render_pass.get(), &occlusion_tracker);
 
     AppendQuadsData data;
-    picture_layer->AppendQuads(&quad_culler, &data);
+    picture_layer->AppendQuads(render_pass.get(), occlusion_tracker, &data);
 
     for (size_t i = 0; i < render_pass->quad_list.size(); ++i)
       EXPECT_EQ(render_pass->quad_list[i]->material, DrawQuad::PICTURE_CONTENT);