Fix fullscreen pepper leak

content/renderer/render_widget_fullscreen_pepper.cc

 // Copyright (c) 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 "content/renderer/render_widget_fullscreen_pepper.h"
 
 #include "base/message_loop.h"
 #include "content/common/view_messages.h"
 #include "content/renderer/gpu/gpu_channel_host.h"
 #include "content/renderer/pepper_platform_context_3d_impl.h"
@@ skipping 242 matching lines @@
   } else {
     didScrollRect(dx, dy, rect);
   }
 }
 
 void RenderWidgetFullscreenPepper::Destroy() {
   // This function is called by the plugin instance as it's going away, so reset
   // plugin_ to NULL to avoid calling into a dangling pointer e.g. on Close().
   plugin_ = NULL;
   Send(new ViewHostMsg_Close(routing_id_));
+  Release();
 }
 
 webkit::ppapi::PluginDelegate::PlatformContext3D*
 RenderWidgetFullscreenPepper::CreateContext3D() {
   if (!context_) {
     CreateContext();
   }
   if (!context_)
     return NULL;
   return new PlatformContext3DImpl(context_);
@@ skipping 214 matching lines @@
       NewRunnableFunction(DestroyContext, context_, program_, buffer_));
   context_ = NULL;
   program_ = 0;
   buffer_ = 0;
   OnSwapBuffersAborted();
 }
 
 void RenderWidgetFullscreenPepper::OnSwapBuffersCompleteByRendererGLContext() {
   OnSwapBuffersComplete();
 }