cc:: Add RenderingStatsInstrumentation to manage collection of RenderingStats

cc/test/layer_tree_test_common.cc

Index: cc/test/layer_tree_test_common.cc
diff --git a/cc/test/layer_tree_test_common.cc b/cc/test/layer_tree_test_common.cc
index 4af56b692663376b5b71edb59a47e599b6dee0a5..31f58492305f960d7abf75c1544c5aacd0f2ddd1 100644
--- a/cc/test/layer_tree_test_common.cc
+++ b/cc/test/layer_tree_test_common.cc
@@ -63,9 +63,9 @@ scoped_refptr<cc::ContextProvider> TestHooks::OffscreenContextProviderForComposi
     return m_fakeClient->OffscreenContextProviderForCompositorThread();
 }
 
-scoped_ptr<MockLayerTreeHostImpl> MockLayerTreeHostImpl::create(TestHooks* testHooks, const LayerTreeSettings& settings, LayerTreeHostImplClient* client, Proxy* proxy)
+scoped_ptr<MockLayerTreeHostImpl> MockLayerTreeHostImpl::create(TestHooks* testHooks, const LayerTreeSettings& settings, LayerTreeHostImplClient* client, Proxy* proxy, RenderingStatsRecorder* renderingStatsRecorder)
 {
-    return make_scoped_ptr(new MockLayerTreeHostImpl(testHooks, settings, client, proxy));
+    return make_scoped_ptr(new MockLayerTreeHostImpl(testHooks, settings, client, proxy, renderingStatsRecorder));
 }
 
 void MockLayerTreeHostImpl::beginCommit()
@@ -151,8 +151,8 @@ base::TimeDelta MockLayerTreeHostImpl::lowFrequencyAnimationInterval() const
     return base::TimeDelta::FromMilliseconds(16);
 }
 
-MockLayerTreeHostImpl::MockLayerTreeHostImpl(TestHooks* testHooks, const LayerTreeSettings& settings, LayerTreeHostImplClient* client, Proxy* proxy)
-    : LayerTreeHostImpl(settings, client, proxy)
+MockLayerTreeHostImpl::MockLayerTreeHostImpl(TestHooks* testHooks, const LayerTreeSettings& settings, LayerTreeHostImplClient* client, Proxy* proxy, RenderingStatsRecorder* renderingStatsRecorder)
+    : LayerTreeHostImpl(settings, client, proxy, renderingStatsRecorder)
     , m_testHooks(testHooks)
 {
 }
@@ -170,7 +170,7 @@ public:
 
     virtual scoped_ptr<cc::LayerTreeHostImpl> createLayerTreeHostImpl(cc::LayerTreeHostImplClient* client) OVERRIDE
     {
-        return MockLayerTreeHostImpl::create(m_testHooks, settings(), client, proxy()).PassAs<cc::LayerTreeHostImpl>();
+        return MockLayerTreeHostImpl::create(m_testHooks, settings(), client, proxy(), renderingStatsRecorder()).PassAs<cc::LayerTreeHostImpl>();
     }
 
     virtual void setNeedsCommit() OVERRIDE