Add SystemMonitor::GetMediaDevices()

chrome/browser/chrome_browser_main_linux.h

Index: chrome/browser/chrome_browser_main_linux.h
===================================================================
--- chrome/browser/chrome_browser_main_linux.h	(revision 137377)
+++ chrome/browser/chrome_browser_main_linux.h	(working copy)
@@ -9,7 +9,6 @@
 #pragma once
 
 #include "base/compiler_specific.h"
-#include "base/memory/ref_counted.h"
 #include "chrome/browser/chrome_browser_main_posix.h"
 
 namespace chrome {
@@ -26,9 +25,6 @@
   virtual void PreProfileInit() OVERRIDE;
 
  private:
-  scoped_refptr<chrome::MediaDeviceNotificationsLinux>

[vandebo (ex-Chrome), 2012/05/17 21:17:08]

Why move the notifiers into the consumer class?  They complete the
implementation of functionality defined in base and only need to be constructed
once, not once per consumer.  It seems like MediaDeviceManager should just be a
consumer of the base API.

-      media_device_notifications_linux_;
-
   DISALLOW_COPY_AND_ASSIGN(ChromeBrowserMainPartsLinux);
 };