MockQC stops create its own RP and MockOcclusionTracker

cc/trees/layer_tree_host_pixeltest_on_demand_raster.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "cc/layers/append_quads_data.h"
 #include "cc/layers/content_layer_client.h"
 #include "cc/layers/picture_layer.h"
 #include "cc/layers/picture_layer_impl.h"
 #include "cc/quads/draw_quad.h"
 #include "cc/test/layer_tree_pixel_test.h"
@@ skipping 23 matching lines @@
   }
 
   virtual void SwapBuffersOnThread(LayerTreeHostImpl* host_impl,
                                    bool result) OVERRIDE {
     // Find the PictureLayerImpl ask it to append quads to check their material.
     // The PictureLayerImpl is assumed to be the first child of the root layer
     // in the active tree.
     PictureLayerImpl* picture_layer = static_cast<PictureLayerImpl*>(
         host_impl->active_tree()->root_layer()->child_at(0));
 
+    MockOcclusionTracker<LayerImpl> occlusion_tracker;
     scoped_ptr<RenderPass> render_pass = RenderPass::Create();
-    MockQuadCuller quad_culler(render_pass.get());
+    MockQuadCuller quad_culler(render_pass.get(), &occlusion_tracker);
 
     AppendQuadsData data;
     picture_layer->AppendQuads(&quad_culler, &data);
 
     for (size_t i = 0; i < render_pass->quad_list.size(); ++i)
       EXPECT_EQ(render_pass->quad_list[i]->material, DrawQuad::PICTURE_CONTENT);
 
     // Triggers pixel readback and ends the test.
     LayerTreePixelTest::SwapBuffersOnThread(host_impl, result);
   }
@@ skipping 47 matching lines @@
 
   RunPixelTest(GL_WITH_BITMAP,
                layer,
                base::FilePath(FILE_PATH_LITERAL("blue_yellow.png")));
 }
 
 }  // namespace
 }  // namespace cc
 
 #endif  // OS_ANDROID