Replace OVERRIDE with their C++11 counterparts in extensions

extensions/browser/guest_view/web_view/web_view_apitest.cc

 // Copyright 2014 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 "extensions/browser/guest_view/web_view/web_view_apitest.h"
 
 #include "base/command_line.h"
 #include "base/path_service.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
@@ skipping 64 matching lines @@
 class WebContentsHiddenObserver : public content::WebContentsObserver {
  public:
   WebContentsHiddenObserver(content::WebContents* web_contents,
                             const base::Closure& hidden_callback)
       : WebContentsObserver(web_contents),
         hidden_callback_(hidden_callback),
         hidden_observed_(false) {
   }
 
   // WebContentsObserver.
-  virtual void WasHidden() OVERRIDE {
+  virtual void WasHidden() override {
     hidden_observed_ = true;
     hidden_callback_.Run();
   }
 
   bool hidden_observed() { return hidden_observed_; }
 
  private:
   base::Closure hidden_callback_;
   bool hidden_observed_;
 
@@ skipping 573 matching lines @@
 // object, on the webview element, and hanging directly off webview.
 IN_PROC_BROWSER_TEST_F(WebViewAPITest, TestWebRequestAPIExistence) {
   RunTest("testWebRequestAPIExistence", "web_view/apitest");
 }
 
 IN_PROC_BROWSER_TEST_F(WebViewAPITest, TestWebRequestAPIGoogleProperty) {
   RunTest("testWebRequestAPIGoogleProperty", "web_view/apitest");
 }
 
 }  // namespace extensions