Update {virtual,override} to follow C++11 style in content.

content/browser/web_contents/web_contents_impl.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_IMPL_H_
 #define CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_IMPL_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 228 matching lines @@
   SkColor GetThemeColor() const override;
   WebUI* CreateWebUI(const GURL& url) override;
   WebUI* GetWebUI() const override;
   WebUI* GetCommittedWebUI() const override;
   void SetUserAgentOverride(const std::string& override) override;
   const std::string& GetUserAgentOverride() const override;
   void EnableTreeOnlyAccessibilityMode() override;
   bool IsTreeOnlyAccessibilityModeForTesting() const override;
   bool IsFullAccessibilityModeForTesting() const override;
 #if defined(OS_WIN)
-  virtual void SetParentNativeViewAccessible(
+  void SetParentNativeViewAccessible(
       gfx::NativeViewAccessible accessible_parent) override;
 #endif
   const base::string16& GetTitle() const override;
   int32 GetMaxPageID() override;
   int32 GetMaxPageIDForSiteInstance(SiteInstance* site_instance) override;
   SiteInstanceImpl* GetSiteInstance() const override;
   SiteInstanceImpl* GetPendingSiteInstance() const override;
   bool IsLoading() const override;
   bool IsLoadingToDifferentDocument() const override;
   bool IsWaitingForResponse() const override;
@@ skipping 164 matching lines @@
 #if defined(OS_WIN)
   gfx::NativeViewAccessible GetParentNativeViewAccessible() override;
 #endif
 
   // RenderViewHostDelegate ----------------------------------------------------
   RenderViewHostDelegateView* GetDelegateView() override;
   bool OnMessageReceived(RenderViewHost* render_view_host,
                          const IPC::Message& message) override;
   // RenderFrameHostDelegate has the same method, so list it there because this
   // interface is going away.
-  // virtual WebContents* GetAsWebContents() override;
+  // WebContents* GetAsWebContents() override;
   gfx::Rect GetRootWindowResizerRect() const override;
   void RenderViewCreated(RenderViewHost* render_view_host) override;
   void RenderViewReady(RenderViewHost* render_view_host) override;
   void RenderViewTerminated(RenderViewHost* render_view_host,
                             base::TerminationStatus status,
                             int error_code) override;
   void RenderViewDeleted(RenderViewHost* render_view_host) override;
   void UpdateState(RenderViewHost* render_view_host,
                    int32 page_id,
                    const PageState& page_state) override;
@@ skipping 837 matching lines @@
   // Adds/removes a callback called on creation of each new WebContents.
   static void AddCreatedCallbackForTesting(const CreatedCallback& callback);
   static void RemoveCreatedCallbackForTesting(const CreatedCallback& callback);
 
   DISALLOW_COPY_AND_ASSIGN(FriendZone);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_IMPL_H_