Add latency measurement system

webkit/compositor_bindings/web_layer_tree_view_impl.cc

 // 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.
 
 #include "web_layer_tree_view_impl.h"
 
 #include "base/command_line.h"
 #include "cc/font_atlas.h"
 #include "cc/input_handler.h"
 #include "cc/layer.h"
@@ skipping 193 matching lines @@
         asciiToRectTable[i] = asciiToWebRectTable[i];
 
     return FontAtlas::create(bitmap, asciiToRectTable, fontHeight).Pass();
 }
 
 void WebLayerTreeViewImpl::loseCompositorContext(int numTimes)
 {
     m_layerTreeHost->loseOutputSurface(numTimes);
 }
 
+void WebLayerTreeViewImpl::setLatencyInfo(const WebKit::WebLatencyInfo& latencyInfo)
+{
+    m_layerTreeHost->setLatencyInfo(static_cast<const WebKit::WebLatencyInfoImpl&>(latencyInfo));
+}
+
 void WebLayerTreeViewImpl::willBeginFrame()
 {
     m_client->willBeginFrame();
 }
 
 void WebLayerTreeViewImpl::didBeginFrame()
 {
     m_client->didBeginFrame();
 }
 
@@ skipping 50 matching lines @@
 void WebLayerTreeViewImpl::didCompleteSwapBuffers()
 {
     m_client->didCompleteSwapBuffers();
 }
 
 void WebLayerTreeViewImpl::scheduleComposite()
 {
     m_client->scheduleComposite();
 }
 
+void WebLayerTreeViewImpl::onReceivedLatencyInfo(const WebKit::WebLatencyInfoImpl& latencyInfo)
+{
+    m_client->onReceivedLatencyInfo(static_cast<const WebKit::WebLatencyInfo&>(latencyInfo));
+}
+
 } // namespace WebKit