Do not broadcast fileManagerPrivate.onDirectoryChanged event.

chrome/browser/chromeos/extensions/file_manager/event_router.cc

 // Copyright 2014 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.
 
 #include "chrome/browser/chromeos/extensions/file_manager/event_router.h"
 
 #include "base/bind.h"
 #include "base/files/file_util.h"
 #include "base/message_loop/message_loop.h"
 #include "base/prefs/pref_change_registrar.h"
@@ skipping 136 matching lines @@
 }
 
 // Sends an event named |event_name| with arguments |event_args| to extensions.
 void BroadcastEvent(Profile* profile,
                     const std::string& event_name,
                     scoped_ptr<base::ListValue> event_args) {
   extensions::EventRouter::Get(profile)->BroadcastEvent(
       make_scoped_ptr(new extensions::Event(event_name, event_args.Pass())));
 }
 
+// Sends an event named |event_name| with arguments |event_args| to an extension
+// of |extention_id|.
+void DispatchEventToExtension(Profile* profile,
+                              const std::string& extension_id,
+                              const std::string& event_name,
+                              scoped_ptr<base::ListValue> event_args) {
+  extensions::EventRouter::Get(profile)->DispatchEventToExtension(
+      extension_id,
+      make_scoped_ptr(new extensions::Event(event_name, event_args.Pass())));
+}
+
 file_manager_private::MountCompletedStatus
 MountErrorToMountCompletedStatus(chromeos::MountError error) {
   switch (error) {
     case chromeos::MOUNT_ERROR_NONE:
       return file_manager_private::MOUNT_COMPLETED_STATUS_SUCCESS;
     case chromeos::MOUNT_ERROR_UNKNOWN:
       return file_manager_private::MOUNT_COMPLETED_STATUS_ERROR_UNKNOWN;
     case chromeos::MOUNT_ERROR_INTERNAL:
       return file_manager_private::MOUNT_COMPLETED_STATUS_ERROR_INTERNAL;
     case chromeos::MOUNT_ERROR_INVALID_ARGUMENT:
@@ skipping 766 matching lines @@
 
   event.entry.additional_properties.SetString(
       "fileSystemName", entry_definition.file_system_name);
   event.entry.additional_properties.SetString(
       "fileSystemRoot", entry_definition.file_system_root_url);
   event.entry.additional_properties.SetString(
       "fileFullPath", "/" + entry_definition.full_path.value());
   event.entry.additional_properties.SetBoolean("fileIsDirectory",
                                                entry_definition.is_directory);
 
-  BroadcastEvent(profile_,
-                 file_manager_private::OnDirectoryChanged::kEventName,
-                 file_manager_private::OnDirectoryChanged::Create(event));
+  DispatchEventToExtension(
+      profile_,
+      *extension_id,
+      file_manager_private::OnDirectoryChanged::kEventName,
+      file_manager_private::OnDirectoryChanged::Create(event));
 }
 
 void EventRouter::OnDiskAdded(
     const DiskMountManager::Disk& disk, bool mounting) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   // Do nothing.
 }
 
 void EventRouter::OnDiskRemoved(const DiskMountManager::Disk& disk) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
@@ skipping 77 matching lines @@
 void EventRouter::SetDispatchDirectoryChangeEventImplForTesting(
     const DispatchDirectoryChangeEventImplCallback& callback) {
   dispatch_directory_change_event_impl_ = callback;
 }
 
 base::WeakPtr<EventRouter> EventRouter::GetWeakPtr() {
   return weak_factory_.GetWeakPtr();
 }
 
 }  // namespace file_manager