Fix the warnings when build content/ with clang

content/shell/shell.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_SHELL_SHELL_H_
 #define CONTENT_SHELL_SHELL_H_
 
 
 #include <vector>
 
@@ skipping 84 matching lines @@
 #elif defined(OS_ANDROID)
   // Registers the Android Java to native methods.
   static bool Register(JNIEnv* env);
 #endif
 
   // WebContentsDelegate
   virtual WebContents* OpenURLFromTab(WebContents* source,
                                       const OpenURLParams& params) OVERRIDE;
   virtual void LoadingStateChanged(WebContents* source) OVERRIDE;
 #if defined(OS_ANDROID)
-  virtual void LoadProgressChanged(double progress) OVERRIDE;
+  virtual void LoadProgressChanged(WebContents* source,
+                                   double progress) OVERRIDE;
   virtual void AttachLayer(WebContents* web_contents,
                            WebKit::WebLayer* layer) OVERRIDE;
   virtual void RemoveLayer(WebContents* web_contents,
                            WebKit::WebLayer* layer) OVERRIDE;
 #endif
   virtual void CloseContents(WebContents* source) OVERRIDE;
   virtual void WebContentsCreated(WebContents* source_contents,
                                   int64 source_frame_id,
                                   const GURL& target_url,
                                   WebContents* new_contents) OVERRIDE;
@@ skipping 117 matching lines @@
   static base::Callback<void(Shell*)> shell_created_callback_;
 
   // True if the destructur of Shell should post a quit closure on the current
   // message loop if the destructed Shell object was the last one.
   static bool quit_message_loop_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_SHELL_SHELL_H_