Remove some dead code for permission bubbles.

chrome/browser/media/media_stream_devices_controller.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_MEDIA_MEDIA_STREAM_DEVICES_CONTROLLER_H_
 #define CHROME_BROWSER_MEDIA_MEDIA_STREAM_DEVICES_CONTROLLER_H_
 
 #include <map>
 #include <string>
 
@@ skipping 21 matching lines @@
 
   ~MediaStreamDevicesController() override;
 
   // Registers the prefs backing the audio and video policies.
   static void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry);
 
   bool IsAllowedForAudio() const;
   bool IsAllowedForVideo() const;
   bool IsAskingForAudio() const;
   bool IsAskingForVideo() const;
+  base::string16 GetMessageText() const;
 
   // Forces the permissions to be denied (without being persisted) regardless
   // of what the previous state was.  If the user had previously allowed the
   // site video or audio access, this ignores that and informs the site it was
   // denied.
   //
   // This differs from PermissionGranted/PermissionDenied as they only operate
   // on the permissions if they are in the ASK state.
   void ForcePermissionDeniedTemporarily();
 
   // PermissionBubbleRequest:
   int GetIconId() const override;
-  base::string16 GetMessageText() const override;
   base::string16 GetMessageTextFragment() const override;
   GURL GetOrigin() const override;
   void PermissionGranted() override;
   void PermissionDenied() override;
   void Cancelled() override;
   void RequestFinished() override;
   PermissionBubbleType GetPermissionBubbleType() const override;
 
  private:
   // Returns a list of devices available for the request for the given
@@ skipping 59 matching lines @@
   // audio/video devices was granted or not.
   content::MediaResponseCallback callback_;
 
   // Whether the permissions granted or denied by the user should be persisted.
   bool persist_permission_changes_;
 
   DISALLOW_COPY_AND_ASSIGN(MediaStreamDevicesController);
 };
 
 #endif  // CHROME_BROWSER_MEDIA_MEDIA_STREAM_DEVICES_CONTROLLER_H_