drive: Introduce DriveSystemServiceObserver

chrome/browser/chromeos/drive/drive_file_system.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/drive/drive_file_system.h"
 
 #include "base/bind.h"
 #include "base/file_util.h"
 #include "base/json/json_file_value_serializer.h"
 #include "base/message_loop_proxy.h"
@@ skipping 1280 matching lines @@
 }
 
 void DriveFileSystem::OnInitialFeedLoaded() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 
   FOR_EACH_OBSERVER(DriveFileSystemObserver,
                     observers_,
                     OnInitialLoadFinished());
 }
 
-void DriveFileSystem::NotifyFileSystemMounted() {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
-
-  DVLOG(1) << "File System is mounted";
-  // Notify the observers that the file system is mounted.
-  FOR_EACH_OBSERVER(DriveFileSystemObserver, observers_,
-                    OnFileSystemMounted());
-}
-
-void DriveFileSystem::NotifyFileSystemToBeUnmounted() {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
-
-  DVLOG(1) << "File System is to be unmounted";
-  // Notify the observers that the file system is being unmounted.
-  FOR_EACH_OBSERVER(DriveFileSystemObserver, observers_,
-                    OnFileSystemBeingUnmounted());
-}
-
 void DriveFileSystem::AddUploadedFile(
     scoped_ptr<google_apis::ResourceEntry> entry,
     const base::FilePath& file_content_path,
     const FileOperationCallback& callback) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   DCHECK(entry.get());
   DCHECK(!entry->resource_id().empty());
   DCHECK(!entry->file_md5().empty());
   DCHECK(!callback.is_null());
 
@@ skipping 373 matching lines @@
     return;
   }
 
   PlatformFileInfoProto entry_file_info;
   util::ConvertPlatformFileInfoToProto(*file_info, &entry_file_info);
   *entry_proto->mutable_file_info() = entry_file_info;
   callback.Run(DRIVE_FILE_OK, entry_proto.Pass());
 }
 
 }  // namespace drive