[fsp] Implement storage::WatcherManager for FSP.

chrome/browser/chromeos/file_system_provider/fake_provided_file_system.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/file_system_provider/fake_provided_file_system.h"
 
 #include "base/files/file.h"
 #include "base/message_loop/message_loop_proxy.h"
 #include "net/base/io_buffer.h"
 
@@ skipping 308 matching lines @@
   entry->contents.replace(offset, length, buffer->data(), length);
 
   return PostAbortableTask(base::Bind(callback, base::File::FILE_OK));
 }
 
 ProvidedFileSystemInterface::AbortCallback FakeProvidedFileSystem::AddWatcher(
     const GURL& origin,
     const base::FilePath& entry_watcher,
     bool recursive,
     bool persistent,
-    const storage::AsyncFileUtil::StatusCallback& callback) {
+    const storage::AsyncFileUtil::StatusCallback& callback,
+    const storage::WatcherManager::NotificationCallback&
+        notification_callback) {
   // TODO(mtomasz): Implement it once needed.
   return PostAbortableTask(base::Bind(callback, base::File::FILE_OK));
 }
 
 void FakeProvidedFileSystem::RemoveWatcher(
     const GURL& origin,
     const base::FilePath& entry_path,
     bool recursive,
     const storage::AsyncFileUtil::StatusCallback& callback) {
   // TODO(mtomasz): Implement it once needed.
@@ skipping 21 matching lines @@
 
 void FakeProvidedFileSystem::RemoveObserver(
     ProvidedFileSystemObserver* observer) {
   DCHECK(observer);
   observers_.RemoveObserver(observer);
 }
 
 bool FakeProvidedFileSystem::Notify(
     const base::FilePath& entry_path,
     bool recursive,
-    ProvidedFileSystemObserver::ChangeType change_type,
+    storage::WatcherManager::ChangeType change_type,
     scoped_ptr<ProvidedFileSystemObserver::Changes> changes,
     const std::string& tag) {
   NOTREACHED();
   return false;
 }
 
 ProvidedFileSystemInterface* FakeProvidedFileSystem::Create(
     Profile* profile,
     const ProvidedFileSystemInfo& file_system_info) {
   return new FakeProvidedFileSystem(file_system_info);
@@ skipping 23 matching lines @@
     const std::vector<int>& task_ids,
     const storage::AsyncFileUtil::StatusCallback& callback) {
   for (size_t i = 0; i < task_ids.size(); ++i) {
     tracker_.TryCancel(task_ids[i]);
   }
   callback.Run(base::File::FILE_OK);
 }
 
 }  // namespace file_system_provider
 }  // namespace chromeos