Add latency measurement system

cc/gl_renderer_unittest.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/gl_renderer.h"
 
 #include "cc/draw_quad.h"
 #include "cc/prioritized_resource_manager.h"
 #include "cc/resource_provider.h"
 #include "cc/test/fake_impl_proxy.h"
@@ skipping 64 matching lines @@
 
     // RendererClient methods.
     virtual const gfx::Size& deviceViewportSize() const OVERRIDE { static gfx::Size fakeSize(1, 1); return fakeSize; }
     virtual const LayerTreeSettings& settings() const OVERRIDE { static LayerTreeSettings fakeSettings; return fakeSettings; }
     virtual void didLoseOutputSurface() OVERRIDE { }
     virtual void onSwapBuffersComplete() OVERRIDE { }
     virtual void setFullRootLayerDamage() OVERRIDE { m_setFullRootLayerDamageCount++; }
     virtual void setManagedMemoryPolicy(const ManagedMemoryPolicy& policy) OVERRIDE { m_memoryAllocationLimitBytes = policy.bytesLimitWhenVisible; }
     virtual void enforceManagedMemoryPolicy(const ManagedMemoryPolicy& policy) OVERRIDE { if (m_lastCallWasSetVisibility) *m_lastCallWasSetVisibility = false; }
     virtual bool hasImplThread() const OVERRIDE { return false; }
+    virtual void onReceivedLatencyInfo(const WebKit::WebLatencyInfoImpl&) OVERRIDE { }
 
     // Methods added for test.
     int setFullRootLayerDamageCount() const { return m_setFullRootLayerDamageCount; }
     void setLastCallWasSetVisibilityPointer(bool* lastCallWasSetVisibility) { m_lastCallWasSetVisibility = lastCallWasSetVisibility; }
 
     RenderPass* rootRenderPass() { return m_renderPassesInDrawOrder.back(); }
     RenderPassList& renderPassesInDrawOrder() { return m_renderPassesInDrawOrder; }
     RenderPassIdHashMap& renderPasses() { return m_renderPasses; }
 
     size_t memoryAllocationLimitBytes() const { return m_memoryAllocationLimitBytes; }
@@ skipping 478 matching lines @@
          it != pass->quad_list.backToFrontEnd(); ++it) {
         renderer.drawQuad(drawingFrame, *it);
     }
     renderer.finishDrawingQuadList();
     EXPECT_EQ(context->activeTexture(), GL_TEXTURE0);
     Mock::VerifyAndClearExpectations(context);
 }
 
 }  // namespace
 }  // namespace cc