Report LatencyInfo through trace buffer

content/browser/renderer_host/render_widget_host_view_mac.mm

 // 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 "content/browser/renderer_host/render_widget_host_view_mac.h"
 
 #import <objc/runtime.h>
 #include <QuartzCore/QuartzCore.h>
 
 #include "base/basictypes.h"
@@ skipping 1880 matching lines @@
 gfx::Rect RenderWidgetHostViewMac::GetScaledOpenGLPixelRect(
     const gfx::Rect& rect) {
   gfx::Rect src_gl_subrect = rect;
   src_gl_subrect.set_y(GetViewBounds().height() - rect.bottom());
 
   return gfx::ToEnclosingRect(gfx::ScaleRect(src_gl_subrect,
                                              scale_factor()));
 }
 
 void RenderWidgetHostViewMac::FrameSwapped() {
-  software_latency_info_.swap_timestamp = base::TimeTicks::HighResNow();
+  latency_info_.Done(ui::INPUT_EVENT_LATENCY_FRAME_SWAP_COMPONENT);
   render_widget_host_->FrameSwapped(software_latency_info_);
   software_latency_info_.Clear();
 }
 
 }  // namespace content
 
 // RenderWidgetHostViewCocoa ---------------------------------------------------
 
 @implementation RenderWidgetHostViewCocoa
 
@@ skipping 1931 matching lines @@
   return YES;
 }
 
 - (BOOL)isOpaque {
   if (renderWidgetHostView_->use_core_animation_)
     return YES;
   return [super isOpaque];
 }
 
 @end