[SyncFileSystem] Stop referring to DriveFileSyncService from extension/

chrome/browser/extensions/api/sync_file_system/sync_file_system_api.cc

Index: chrome/browser/extensions/api/sync_file_system/sync_file_system_api.cc
diff --git a/chrome/browser/extensions/api/sync_file_system/sync_file_system_api.cc b/chrome/browser/extensions/api/sync_file_system/sync_file_system_api.cc
index 64e229572f62b53310ab40f67d04f101f6cf2ae4..6b30975d56c9772cadfecd8efe76cc1e3437fbb5 100644
--- a/chrome/browser/extensions/api/sync_file_system/sync_file_system_api.cc
+++ b/chrome/browser/extensions/api/sync_file_system/sync_file_system_api.cc
@@ -14,7 +14,6 @@
 #include "chrome/browser/extensions/api/sync_file_system/extension_sync_event_observer_factory.h"
 #include "chrome/browser/extensions/api/sync_file_system/sync_file_system_api_helpers.h"
 #include "chrome/browser/profiles/profile.h"
-#include "chrome/browser/sync_file_system/drive_file_sync_service.h"
 #include "chrome/browser/sync_file_system/sync_file_system_service.h"
 #include "chrome/browser/sync_file_system/sync_file_system_service_factory.h"
 #include "chrome/common/extensions/api/sync_file_system.h"
@@ -40,10 +39,6 @@ namespace extensions {
 
 namespace {
 
-// This is the only supported cloud backend service for now.
-const char* const kDriveCloudService =
-    sync_file_system::DriveFileSyncService::kServiceName;
-
 // Error messages.
 const char kFileError[] = "File error %d.";
 const char kQuotaError[] = "Quota error %d.";
@@ -58,7 +53,9 @@ sync_file_system::SyncFileSystemService* GetSyncFileSystemService(
   ExtensionSyncEventObserver* observer =
       ExtensionSyncEventObserverFactory::GetForProfile(profile);
   DCHECK(observer);
-  observer->InitializeForService(service, kDriveCloudService);
+  observer->InitializeForService(
+      service,
+      sync_file_system::SyncFileSystemService::GetDefaultServiceName());

[kinuko, 2013/05/29 14:12:20]

I think this parameter can be dropped. (Not used by the observer either)

   return service;
 }
 
@@ -113,12 +110,13 @@ void SyncFileSystemDeleteFileSystemFunction::DidDeleteFileSystem(
 }
 
 bool SyncFileSystemRequestFileSystemFunction::RunImpl() {
-  // Please note that Google Drive is the only supported cloud backend at this
-  // time. However other functions which have already been written to
-  // accommodate different service names are being left as is to allow easier
-  // future support for other backend services. (http://crbug.com/172562).
-  const std::string service_name = sync_file_system::DriveFileSyncService::
-      kServiceName;
+  // Please note that the default backing service is the only supported cloud
+  // backend at this time. However other functions which have already been
+  // written to accommodate different service names are being left as is to
+  // allow easier future support for other backend services.
+  // (http://crbug.com/172562).
+  const std::string service_name =
+      sync_file_system::SyncFileSystemService::GetDefaultServiceName();
   // Initializes sync context for this extension and continue to open
   // a new file system.
   GetSyncFileSystemService(profile())->