cc: Add layer-based pixel tests.

cc/test/layer_tree_test_common.h

 // Copyright 2011 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_LAYER_TREE_TEST_COMMON_H_
 #define CC_TEST_LAYER_TREE_TEST_COMMON_H_
 
 #include "base/memory/ref_counted.h"
 #include "base/threading/thread.h"
 #include "cc/layer_tree_host.h"
@@ skipping 19 matching lines @@
     TestHooks();
     virtual ~TestHooks();
 
     virtual void beginCommitOnThread(LayerTreeHostImpl*) { }
     virtual void commitCompleteOnThread(LayerTreeHostImpl*) { }
     virtual void treeActivatedOnThread(LayerTreeHostImpl*) { }
     virtual void initializedRendererOnThread(LayerTreeHostImpl*, bool success) { }
     virtual bool prepareToDrawOnThread(
         LayerTreeHostImpl*, LayerTreeHostImpl::FrameData*, bool result);
     virtual void drawLayersOnThread(LayerTreeHostImpl*) { }
+    virtual void swapBuffersOnThread(LayerTreeHostImpl* host_impl, bool result) { }
     virtual void animateLayers(LayerTreeHostImpl*, base::TimeTicks monotonicTime) { }
     virtual void updateAnimationState(LayerTreeHostImpl*, bool hasUnfinishedAnimation) { }
     virtual void willAnimateLayers(LayerTreeHostImpl*, base::TimeTicks monotonicTime) { }
     virtual void applyScrollAndScale(gfx::Vector2d, float) { }
     virtual void animate(base::TimeTicks monotonicTime) { }
     virtual void layout() { }
     virtual void didRecreateOutputSurface(bool succeeded) { }
     virtual void willRetryRecreateOutputSurface() { }
     virtual void didAddAnimation() { }
     virtual void didCommit() { }
@@ skipping 110 matching lines @@
 
 // Adapts LayerTreeHostImpl for test. Runs real code, then invokes test hooks.
 class MockLayerTreeHostImpl : public LayerTreeHostImpl {
 public:
     static scoped_ptr<MockLayerTreeHostImpl> create(TestHooks*, const LayerTreeSettings&, LayerTreeHostImplClient*, Proxy*);
 
     virtual void BeginCommit() OVERRIDE;
     virtual void CommitComplete() OVERRIDE;
     virtual bool PrepareToDraw(FrameData* frame) OVERRIDE;
     virtual void DrawLayers(FrameData* frame) OVERRIDE;
+    virtual bool SwapBuffers() OVERRIDE;
     virtual bool ActivatePendingTreeIfNeeded() OVERRIDE;
     virtual bool InitializeRenderer(scoped_ptr<OutputSurface> outputSurface) OVERRIDE;
     virtual void SetVisible(bool visible) OVERRIDE;
 
     // Make these public.
     typedef std::vector<LayerImpl*> LayerList;
 
 protected:
     virtual void AnimateLayers(base::TimeTicks monotonicTime, base::Time wallClockTime) OVERRIDE;
     virtual void UpdateAnimationState() OVERRIDE;
@@ skipping 17 matching lines @@
     TEST_F(TEST_FIXTURE_NAME, runMultiThread) \
     { \
         runTest(true); \
     }
 
 #define SINGLE_AND_MULTI_THREAD_TEST_F(TEST_FIXTURE_NAME) \
     SINGLE_THREAD_TEST_F(TEST_FIXTURE_NAME) \
     MULTI_THREAD_TEST_F(TEST_FIXTURE_NAME)
 
 #endif  // CC_TEST_LAYER_TREE_TEST_COMMON_H_