Revert 179093

chrome/browser/media/media_stream_devices_controller.h

Index: chrome/browser/media/media_stream_devices_controller.h
===================================================================
--- chrome/browser/media/media_stream_devices_controller.h	(revision 179367)
+++ chrome/browser/media/media_stream_devices_controller.h	(working copy)
@@ -11,12 +11,10 @@
 
 class PrefServiceSyncable;
 class Profile;
-class TabSpecificContentSettings;
 
 class MediaStreamDevicesController {
  public:
   MediaStreamDevicesController(Profile* profile,
-                               TabSpecificContentSettings* content_settings,
                                const content::MediaStreamRequest& request,
                                const content::MediaResponseCallback& callback);
 
@@ -73,13 +71,6 @@
   // The owner of this class needs to make sure it does not outlive the profile.
   Profile* profile_;
 
-  // Weak pointer to the tab specific content settings of the tab for which the
-  // MediaStreamDevicesController was created. The tab specific content
-  // settings are associated with a the web contents of the tab. The
-  // MediaStreamDeviceController must not outlive the web contents for which it
-  // was created.
-  TabSpecificContentSettings* content_settings_;
-
   // The original request for access to devices.
   const content::MediaStreamRequest request_;