[sensors] Add Permission guard to the generic sensor apis.

chrome/browser/content_settings/tab_specific_content_settings.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_CONTENT_SETTINGS_TAB_SPECIFIC_CONTENT_SETTINGS_H_
 #define CHROME_BROWSER_CONTENT_SETTINGS_TAB_SPECIFIC_CONTENT_SETTINGS_H_
 
 #include <stdint.h>
 
 #include <map>
@@ skipping 338 matching lines @@
       MicrophoneCameraState new_microphone_camera_state,
       const std::string& media_stream_selected_audio_device,
       const std::string& media_stream_selected_video_device,
       const std::string& media_stream_requested_audio_device,
       const std::string& media_stream_requested_video_device);
 
   // There methods are called to update the status about MIDI access.
   void OnMidiSysExAccessed(const GURL& reqesting_origin);
   void OnMidiSysExAccessBlocked(const GURL& requesting_origin);
 
+  // There methods are called to update the status about Sensor access.
+  void OnSensorAccessed(const GURL& reqesting_origin);
+  void OnSensorAccessBlocked(const GURL& requesting_origin);
+
   // Adds the given |SiteDataObserver|. The |observer| is notified when a
   // locale shared object, like for example a cookie, is accessed.
   void AddSiteDataObserver(SiteDataObserver* observer);
 
   // Removes the given |SiteDataObserver|.
   void RemoveSiteDataObserver(SiteDataObserver* observer);
 
   // Block all content. Used for testing content setting bubbles.
   void BlockAllContentForTesting();
 
@@ skipping 96 matching lines @@
   // Holds the previous committed url during a navigation.
   GURL previous_url_;
 
   // Observer to watch for content settings changed.
   ScopedObserver<HostContentSettingsMap, content_settings::Observer> observer_;
 
   DISALLOW_COPY_AND_ASSIGN(TabSpecificContentSettings);
 };
 
 #endif  // CHROME_BROWSER_CONTENT_SETTINGS_TAB_SPECIFIC_CONTENT_SETTINGS_H_