Remove dead paint flush tracking code.

content/renderer/render_widget_fullscreen_pepper.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 "content/renderer/render_widget_fullscreen_pepper.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 330 matching lines @@
     return true;
 
   return RenderWidgetFullscreen::OnMessageReceived(msg);
 }
 
 void RenderWidgetFullscreenPepper::DidInitiatePaint() {
   if (plugin_)
     plugin_->ViewInitiatedPaint();
 }
 
-void RenderWidgetFullscreenPepper::DidFlushPaint() {
-}
-
 void RenderWidgetFullscreenPepper::Close() {
   // If the fullscreen window is closed (e.g. user pressed escape), reset to
   // normal mode.
   if (plugin_)
     plugin_->FlashSetFullscreen(false, false);
 
   // Call Close on the base class to destroy the WebWidget instance.
   RenderWidget::Close();
 }
 
@@ skipping 10 matching lines @@
 GURL RenderWidgetFullscreenPepper::GetURLForGraphicsContext3D() {
   return active_url_;
 }
 
 void RenderWidgetFullscreenPepper::OnDeviceScaleFactorChanged() {
   if (compositor_)
     compositor_->setDeviceScaleFactor(device_scale_factor_);
 }
 
 }  // namespace content