Delete CC.

cc/test/mock_occlusion_tracker.h

-// Copyright 2014 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.
-
-#ifndef CC_TEST_MOCK_OCCLUSION_TRACKER_H_
-#define CC_TEST_MOCK_OCCLUSION_TRACKER_H_
-
-#include "cc/trees/occlusion_tracker.h"
-
-namespace cc {
-
-template <typename LayerType>
-class MockOcclusionTracker : public OcclusionTracker<LayerType> {
-  // This class is used for testing only. It fakes just enough information to
-  // calculate unoccluded content rect and unoccluded contributing surface
-  // content rect. It calls the helper function of occlusion tracker to avoid
-  // DCHECKs since testing environment won't be set up properly to pass those.
- public:
-  MockOcclusionTracker()
-      : OcclusionTracker<LayerType>(gfx::Rect(0, 0, 1000, 1000)) {
-    typename OcclusionTracker<LayerType>::StackObject stack_obj;
-    OcclusionTracker<LayerType>::stack_.push_back(stack_obj);
-    OcclusionTracker<LayerType>::stack_.push_back(stack_obj);
-  }
-
-  explicit MockOcclusionTracker(const gfx::Rect& screen_scissor_rect)
-      : OcclusionTracker<LayerType>(screen_scissor_rect) {
-    typename OcclusionTracker<LayerType>::StackObject stack_obj;
-    OcclusionTracker<LayerType>::stack_.push_back(stack_obj);
-    OcclusionTracker<LayerType>::stack_.push_back(stack_obj);
-  }
-
-  void set_occluded_target_rect(const gfx::Rect& occluded) {
-    OcclusionTracker<LayerType>::stack_.back().occlusion_from_inside_target =
-        occluded;
-  }
-
-  void set_occluded_target_rect_for_contributing_surface(
-      const gfx::Rect& occluded) {
-    OcclusionTracker<
-        LayerType>::stack_[OcclusionTracker<LayerType>::stack_.size() - 2]
-        .occlusion_from_inside_target = occluded;
-  }
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(MockOcclusionTracker);
-};
-
-}  // namespace cc
-
-#endif  // CC_TEST_MOCK_OCCLUSION_TRACKER_H_