Removed QuadSink and MockQuadCuller

cc/test/mock_quad_culler.cc

-// Copyright 2012 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/test/mock_quad_culler.h"
-
-namespace cc {
-
-MockQuadCuller::MockQuadCuller(
-    RenderPass* render_pass,
-    MockOcclusionTracker<LayerImpl>* occlusion_tracker)
-    : QuadSink(render_pass, occlusion_tracker),
-      occlusion_tracker_(occlusion_tracker) {
-}
-
-MockQuadCuller::~MockQuadCuller() {}
-
-gfx::Rect MockQuadCuller::UnoccludedContentRect(
-    const LayerImpl* layer,
-    const gfx::Rect& content_rect,
-    const gfx::Transform& draw_transform) {
-  return occlusion_tracker_->UnoccludedContentRect(
-      layer, content_rect, draw_transform);
-}
-
-gfx::Rect MockQuadCuller::UnoccludedContributingSurfaceContentRect(
-    const LayerImpl* layer,
-    const gfx::Rect& content_rect,
-    const gfx::Transform& draw_transform) {
-  return occlusion_tracker_->UnoccludedContributingSurfaceContentRect(
-      layer, content_rect, draw_transform);
-}
-
-}  // namespace cc