MockQC stops create its own RP and MockOcclusionTracker

cc/layers/heads_up_display_layer_impl_unittest.cc

Index: cc/layers/heads_up_display_layer_impl_unittest.cc
diff --git a/cc/layers/heads_up_display_layer_impl_unittest.cc b/cc/layers/heads_up_display_layer_impl_unittest.cc
index 0db80f59aa87978941fa62d380884302818fe6c8..2c58e6a16fa27ec8a52f75a7e7b8b7f943e82ee5 100644
--- a/cc/layers/heads_up_display_layer_impl_unittest.cc
+++ b/cc/layers/heads_up_display_layer_impl_unittest.cc
@@ -17,7 +17,9 @@ namespace {
 void CheckDrawLayer(HeadsUpDisplayLayerImpl* layer,
                     ResourceProvider* resource_provider,
                     DrawMode draw_mode) {
-  MockQuadCuller quad_culler;
+  MockOcclusionTracker<LayerImpl> occlusion_tracker;
+  scoped_ptr<RenderPass> render_pass = RenderPass::Create();
+  MockQuadCuller quad_culler(render_pass.get(), &occlusion_tracker);
   AppendQuadsData data;
   bool will_draw = layer->WillDraw(draw_mode, resource_provider);
   if (will_draw)