gdata: Move ownership of GDataCache to GDataSystemService

chrome/browser/chromeos/extensions/file_browser_event_router.cc

 // Copyright (c) 2012 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_browser_event_router.h"
 
 #include "base/bind.h"
 #include "base/json/json_writer.h"
 #include "base/message_loop.h"
 #include "base/stl_util.h"
@@ skipping 300 matching lines @@
         disk->system_path_prefix(), disk->drive_label(), disk->is_parent(),
         error_code == chromeos::MOUNT_ERROR_NONE,
         error_code == chromeos::MOUNT_ERROR_UNSUPORTED_FILESYSTEM);
   } else if (mount_info.mount_type == chromeos::MOUNT_TYPE_ARCHIVE) {
     // Clear the "mounted" state for archive files in gdata cache
     // when mounting failed or unmounting succeeded.
     if ((event_type == DiskMountManager::MOUNTING) !=
         (error_code == chromeos::MOUNT_ERROR_NONE)) {
       FilePath source_path(mount_info.source_path);
       gdata::GDataFileSystem* file_system = GetRemoteFileSystem();
-      if (file_system && file_system->IsUnderGDataCacheDirectory(source_path))
+      gdata::GDataSystemService* system_service =
+          gdata::GDataSystemServiceFactory::GetForProfile(profile_);
+      if (file_system && system_service &&
+          system_service->cache()->IsUnderGDataCacheDirectory(source_path)) {
         file_system->SetMountedState(source_path, false,
                                      gdata::SetMountedStateCallback());
+      }
     }
   }
 }
 
 void FileBrowserEventRouter::OnNetworkManagerChanged(
     chromeos::NetworkLibrary* network_library) {
   if (!profile_ || !profile_->GetExtensionEventRouter()) {
     NOTREACHED();
     return;
   }
@@ skipping 443 matching lines @@
   return scoped_refptr<RefcountedProfileKeyedService>(
       new FileBrowserEventRouter(profile));
 }
 
 bool FileBrowserEventRouterFactory::ServiceHasOwnInstanceInIncognito() {
   // Explicitly and always allow this router in guest login mode.   see
   // chrome/browser/profiles/profile_keyed_base_factory.h comment
   // for the details.
   return true;
 }