Added mount change notification callback: chrome.fileSystem.onChanged...

chrome/browser/extensions/extension_service.cc

Index: chrome/browser/extensions/extension_service.cc
===================================================================
--- chrome/browser/extensions/extension_service.cc	(revision 79456)
+++ chrome/browser/extensions/extension_service.cc	(working copy)
@@ -70,6 +70,10 @@
 #include "webkit/database/database_tracker.h"
 #include "webkit/database/database_util.h"
 
+#if defined(OS_CHROMEOS)
+#include "chrome/browser/extensions/extension_filesystem_event_router.h"
+#endif
+
 using base::Time;
 
 namespace errors = extension_manifest_errors;
@@ -455,6 +459,13 @@
     ExternalExtensionProviderInterface* provider = i->get();
     provider->ServiceShutdown();
   }
+
+#if defined(OS_CHROMEOS)
+  if (event_routers_initialized_) {
+    ExtensionFileSystemEventRouter::GetInstance()->
+        StopObservingFileSystemEvents();
+  }
+#endif
 }
 
 void ExtensionService::InitEventRouters() {
@@ -472,6 +483,10 @@
   ExtensionManagementEventRouter::GetInstance()->Init();
   ExtensionProcessesEventRouter::GetInstance()->ObserveProfile(profile_);
   ExtensionWebNavigationEventRouter::GetInstance()->Init();
+#if defined(OS_CHROMEOS)
+  ExtensionFileSystemEventRouter::GetInstance()->ObserveFileSystemEvents(
+      profile_);
+#endif
   event_routers_initialized_ = true;
 }