media: Remove kRAConsentGranted pref.

chrome/browser/media/protected_media_identifier_permission_context.h

 // Copyright 2013 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_PROTECTED_MEDIA_IDENTIFIER_PERMISSION_CONTEXT_H_
 #define CHROME_BROWSER_MEDIA_PROTECTED_MEDIA_IDENTIFIER_PERMISSION_CONTEXT_H_
 
 #include "chrome/browser/content_settings/permission_context_base.h"
 #include "components/content_settings/core/common/permission_request_id.h"
 
@@ skipping 20 matching lines @@
 class PrefRegistrySyncable;
 }
 
 // Manages protected media identifier permissions flow, and delegates UI
 // handling via PermissionQueueController.
 class ProtectedMediaIdentifierPermissionContext
     : public PermissionContextBase {
  public:
   explicit ProtectedMediaIdentifierPermissionContext(Profile* profile);
 
-#if defined(OS_CHROMEOS)
-  static void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* prefs);
-#endif
-
   // In addition to the base class flow checks that it is only code from
   // valid iframes. It also adds special logic when called through an extension.
   void RequestPermission(content::WebContents* web_contents,
                          const PermissionRequestID& id,
                          const GURL& requesting_origin,
                          bool user_gesture,
                          const BrowserPermissionCallback& callback) override;
   ContentSetting GetPermissionStatus(
       const GURL& requesting_origin,
       const GURL& embedding_origin) const override;
@@ skipping 33 matching lines @@
 
   // Must be the last member, to ensure that it will be
   // destroyed first, which will invalidate weak pointers
   base::WeakPtrFactory<ProtectedMediaIdentifierPermissionContext> weak_factory_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(ProtectedMediaIdentifierPermissionContext);
 };
 
 #endif  // CHROME_BROWSER_MEDIA_PROTECTED_MEDIA_IDENTIFIER_PERMISSION_CONTEXT_H_