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      1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef CHROME_BROWSER_EXTERNAL_PROTOCOL_EXTERNAL_PROTOCOL_OBSERVER_H_
      6 #define CHROME_BROWSER_EXTERNAL_PROTOCOL_EXTERNAL_PROTOCOL_OBSERVER_H_
      7 
      8 #include "content/public/browser/web_contents_observer.h"
      9 #include "content/public/browser/web_contents_user_data.h"
     10 
     11 // ExternalProtocolObserver is responsible for handling messages from
     12 // WebContents relating to external protocols.
     13 class ExternalProtocolObserver
     14     : public content::WebContentsObserver,
     15       public content::WebContentsUserData<ExternalProtocolObserver> {
     16  public:
     17   virtual ~ExternalProtocolObserver();
     18 
     19   // content::WebContentsObserver overrides.
     20   virtual void DidGetUserGesture() OVERRIDE;
     21 
     22  private:
     23   explicit ExternalProtocolObserver(content::WebContents* web_contents);
     24   friend class content::WebContentsUserData<ExternalProtocolObserver>;
     25 
     26   DISALLOW_COPY_AND_ASSIGN(ExternalProtocolObserver);
     27 };
     28 
     29 #endif  // CHROME_BROWSER_EXTERNAL_PROTOCOL_EXTERNAL_PROTOCOL_OBSERVER_H_
     30