Storage Monitor: Make StorageMonitorLinux own the MediaTransferProtocolManager.

chrome/browser/storage_monitor/storage_monitor_linux_unittest.cc

Index: chrome/browser/storage_monitor/storage_monitor_linux_unittest.cc
===================================================================
--- chrome/browser/storage_monitor/storage_monitor_linux_unittest.cc	(revision 193280)
+++ chrome/browser/storage_monitor/storage_monitor_linux_unittest.cc	(working copy)
@@ -143,6 +143,7 @@
   TestStorageMonitorLinux(const base::FilePath& path, MessageLoop* message_loop)
       : StorageMonitorLinux(path),
         message_loop_(message_loop) {
+    UseDummyMediaTransferProtocolManagerForTest();
     SetGetDeviceInfoCallbackForTest(base::Bind(&GetDeviceInfo));
   }
   virtual ~TestStorageMonitorLinux() {}
@@ -257,7 +258,7 @@
     return *mock_storage_observer_;
   }
 
-  StorageMonitorLinux* notifier() {
+  StorageMonitor* notifier() {
     return monitor_.get();
   }