Fix RenderWidgetHostViewGuest leak.

content/browser/web_contents/web_contents_view_guest.h

 // 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.
 
 #ifndef CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_VIEW_GUEST_H_
 #define CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_VIEW_GUEST_H_
 
 #include <vector>
 
 #include "base/memory/scoped_ptr.h"
@@ skipping 41 matching lines @@
   virtual void SizeContents(const gfx::Size& size) override;
   virtual void Focus() override;
   virtual void SetInitialFocus() override;
   virtual void StoreFocus() override;
   virtual void RestoreFocus() override;
   virtual DropData* GetDropData() const override;
   virtual gfx::Rect GetViewBounds() const override;
   virtual void CreateView(const gfx::Size& initial_size,
                           gfx::NativeView context) override;
   virtual RenderWidgetHostViewBase* CreateViewForWidget(
-      RenderWidgetHost* render_widget_host) override;
+      RenderWidgetHost* render_widget_host, bool is_guest_view_hack) override;
   virtual RenderWidgetHostViewBase* CreateViewForPopupWidget(
       RenderWidgetHost* render_widget_host) override;
   virtual void SetPageTitle(const base::string16& title) override;
   virtual void RenderViewCreated(RenderViewHost* host) override;
   virtual void RenderViewSwappedIn(RenderViewHost* host) override;
   virtual void SetOverscrollControllerEnabled(bool enabled) override;
 #if defined(OS_MACOSX)
   virtual void SetAllowOtherViews(bool allow) override;
   virtual bool GetAllowOtherViews() const override;
   virtual bool IsEventTracking() const override;
@@ skipping 23 matching lines @@
 
   // Delegate view for guest's platform view.
   RenderViewHostDelegateView* platform_view_delegate_view_;
 
   DISALLOW_COPY_AND_ASSIGN(WebContentsViewGuest);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_VIEW_GUEST_H_