Add Keyboard Latency UMA Metrics.

content/browser/frame_host/render_widget_host_view_child_frame.cc

 // 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.
 
 #include "content/browser/frame_host/render_widget_host_view_child_frame.h"
 
 #include <algorithm>
 #include <utility>
 #include <vector>
 
@@ skipping 441 matching lines @@
     return false;
 
   return host_->delegate()->HasMouseLock(host_);
 }
 
 cc::FrameSinkId RenderWidgetHostViewChildFrame::GetFrameSinkId() {
   return frame_sink_id_;
 }
 
 void RenderWidgetHostViewChildFrame::ProcessKeyboardEvent(
-    const NativeWebKeyboardEvent& event) {
-  host_->ForwardKeyboardEvent(event);
+    const NativeWebKeyboardEvent& event,
+    const ui::LatencyInfo& latency) {
+  host_->ForwardKeyboardEventWithLatencyInfo(event, latency);
 }
 
 void RenderWidgetHostViewChildFrame::ProcessMouseEvent(
     const blink::WebMouseEvent& event,
     const ui::LatencyInfo& latency) {
   host_->ForwardMouseEventWithLatencyInfo(event, latency);
 }
 
 void RenderWidgetHostViewChildFrame::ProcessMouseWheelEvent(
     const blink::WebMouseWheelEvent& event,
@@ skipping 221 matching lines @@
                                                       frame_sink_id_);
   }
   support_.reset();
 }
 
 bool RenderWidgetHostViewChildFrame::HasEmbedderChanged() {
   return false;
 }
 
 }  // namespace content