Reintroduce plumbing for user gesture into permission system.

chrome/browser/geolocation/geolocation_permission_context_extensions.h

 // Copyright 2014 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_GEOLOCATION_GEOLOCATION_PERMISSION_CONTEXT_EXTENSIONS_H_
 #define CHROME_BROWSER_GEOLOCATION_GEOLOCATION_PERMISSION_CONTEXT_EXTENSIONS_H_
 
 #include "base/callback_forward.h"
 #include "base/macros.h"
 #include "components/content_settings/core/common/content_settings.h"
@@ skipping 12 matching lines @@
   explicit GeolocationPermissionContextExtensions(Profile* profile);
   ~GeolocationPermissionContextExtensions();
 
   // Returns true if the permission request was handled. In which case,
   // |permission_set| will be set to true if the permission changed, and the
   // permission has been set to |new_permission|.
   bool DecidePermission(content::WebContents* web_contents,
                         const PermissionRequestID& request_id,
                         int bridge_id,
                         const GURL& requesting_frame,
+                        bool user_gesture,
                         const base::Callback<void(ContentSetting)>& callback,
                         bool* permission_set,
                         bool* new_permission);
 
   // Returns true if the cancellation request was handled.
   bool CancelPermissionRequest(content::WebContents* web_contents,
                                int bridge_id);
 
  private:
 #if defined(ENABLE_EXTENSIONS)
   Profile* profile_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(GeolocationPermissionContextExtensions);
 };
 
 #endif  // CHROME_BROWSER_GEOLOCATION_GEOLOCATION_PERMISSION_CONTEXT_EXTENSIONS_H_