Add Keyboard Latency UMA Metrics.

chrome/browser/ui/views/find_bar_host.cc

 // Copyright (c) 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 "chrome/browser/ui/views/find_bar_host.h"
 
 #include <algorithm>
 
 #include "build/build_config.h"
 #include "chrome/browser/ui/find_bar/find_bar_controller.h"
@@ skipping 45 matching lines @@
   }
 
   content::WebContents* contents = find_bar_controller_->web_contents();
   if (!contents)
     return false;
 
   // Make sure we don't have a text field element interfering with keyboard
   // input. Otherwise Up and Down arrow key strokes get eaten. "Nom Nom Nom".
   contents->ClearFocusedElement();
   NativeWebKeyboardEvent event(key_event);
-  contents->GetRenderViewHost()->GetWidget()->ForwardKeyboardEvent(event);
+  contents->GetRenderViewHost()
+      ->GetWidget()
+      ->ForwardKeyboardEventWithLatencyInfo(event, *key_event.latency());
   return true;
 }
 
 FindBarController* FindBarHost::GetFindBarController() const {
   return find_bar_controller_;
 }
 
 void FindBarHost::SetFindBarController(FindBarController* find_bar_controller) {
   find_bar_controller_ = find_bar_controller;
 }
@@ skipping 270 matching lines @@
 
 ////////////////////////////////////////////////////////////////////////////////
 // private:
 
 void FindBarHost::GetWidgetPositionNative(gfx::Rect* avoid_overlapping_rect) {
   gfx::Rect frame_rect = host()->GetTopLevelWidget()->GetWindowBoundsInScreen();
   gfx::Rect webcontents_rect =
       find_bar_controller_->web_contents()->GetViewBounds();
   avoid_overlapping_rect->Offset(0, webcontents_rect.y() - frame_rect.y());
 }