Implement unregisterProtocolHandler()

chrome/browser/ui/browser.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 CHROME_BROWSER_UI_BROWSER_H_
 #define CHROME_BROWSER_UI_BROWSER_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 599 matching lines @@
                                   const base::FilePath& path) OVERRIDE;
   virtual bool EmbedsFullscreenWidget() const OVERRIDE;
   virtual void ToggleFullscreenModeForTab(content::WebContents* web_contents,
       bool enter_fullscreen) OVERRIDE;
   virtual bool IsFullscreenForTabOrPending(
       const content::WebContents* web_contents) const OVERRIDE;
   virtual void RegisterProtocolHandler(content::WebContents* web_contents,
                                        const std::string& protocol,
                                        const GURL& url,
                                        bool user_gesture) OVERRIDE;
+  virtual void UnregisterProtocolHandler(content::WebContents* web_contents,
+                                         const std::string& protocol,
+                                         const GURL& url,
+                                         bool user_gesture) OVERRIDE;
   virtual void UpdatePreferredSize(content::WebContents* source,
                                    const gfx::Size& pref_size) OVERRIDE;
   virtual void ResizeDueToAutoResize(content::WebContents* source,
                                      const gfx::Size& new_size) OVERRIDE;
   virtual void FindReply(content::WebContents* web_contents,
                          int request_id,
                          int number_of_matches,
                          const gfx::Rect& selection_rect,
                          int active_match_ordinal,
                          bool final_update) OVERRIDE;
@@ skipping 306 matching lines @@
   base::WeakPtrFactory<Browser> weak_factory_;
 
   scoped_ptr<BrowserContentTranslateDriverObserver> translate_driver_observer_;
 
   scoped_ptr<chrome::ValidationMessageBubble> validation_message_bubble_;
 
   DISALLOW_COPY_AND_ASSIGN(Browser);
 };
 
 #endif  // CHROME_BROWSER_UI_BROWSER_H_