Fix warnings when compiling with clang

android_webview/lib/aw_browser_dependency_factory_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 ANDROID_WEBVIEW_LIB_BROWSER_DELEGATE_IMPL_H_
 #define ANDROID_WEBVIEW_LIB_BROWSER_DELEGATE_IMPL_H_
 
 #include "android_webview/native/aw_browser_dependency_factory.h"
 
 #include "base/compiler_specific.h"
@@ skipping 13 matching lines @@
   virtual ~AwBrowserDependencyFactoryImpl();
 
   // Sets this class as the singleton instance.
   static void InstallInstance();
 
   // AwBrowserDependencyFactory
   virtual content::BrowserContext* GetBrowserContext(bool incognito) OVERRIDE;
   virtual content::WebContents* CreateWebContents(bool incognito) OVERRIDE;
   virtual AwContentsContainer* CreateContentsContainer(
       content::WebContents* contents) OVERRIDE;
-  virtual content::JavaScriptDialogCreator* GetJavaScriptDialogCreator()
-      OVERRIDE;
 
  private:
   void InitializeNetworkDelegateOnIOThread(
       net::URLRequestContextGetter* normal_context,
       net::URLRequestContextGetter* incognito_context);
   void EnsureNetworkDelegateInitialized();
 
   // Constructed and assigned on the IO thread.
   scoped_ptr<AwNetworkDelegate> network_delegate_;
   // Set on the UI thread.
   bool initialized_network_delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(AwBrowserDependencyFactoryImpl);
 };
 
 }  // namespace android_webview
 
 #endif  // ANDROID_WEBVIEW_LIB_BROWSER_DELEGATE_IMPL_H_
-