[fsp] Implement storage::WatcherManager for FSP.

chrome/browser/chromeos/file_system_provider/fake_provided_file_system.h

 // 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_FAKE_PROVIDED_FILE_SYSTEM_H_
 #define CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_FAKE_PROVIDED_FILE_SYSTEM_H_
 
 #include <map>
 #include <string>
 #include <vector>
 
 #include "base/callback.h"
 #include "base/memory/linked_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/observer_list.h"
 #include "base/task/cancelable_task_tracker.h"
 #include "chrome/browser/chromeos/file_system_provider/provided_file_system_info.h"
 #include "chrome/browser/chromeos/file_system_provider/provided_file_system_interface.h"
 #include "chrome/browser/chromeos/file_system_provider/provided_file_system_observer.h"
 #include "chrome/browser/chromeos/file_system_provider/watcher.h"
+#include "storage/browser/fileapi/async_file_util.h"
+#include "storage/browser/fileapi/watcher_manager.h"
 #include "url/gurl.h"
 
 class Profile;
 
 namespace base {
 class Time;
 }  // namespace base
 
 namespace net {
 class IOBuffer;
@@ skipping 93 matching lines @@
       int file_handle,
       net::IOBuffer* buffer,
       int64 offset,
       int length,
       const storage::AsyncFileUtil::StatusCallback& callback) override;
   virtual AbortCallback AddWatcher(
       const GURL& origin,
       const base::FilePath& entry_path,
       bool recursive,
       bool persistent,
-      const storage::AsyncFileUtil::StatusCallback& callback) override;
+      const storage::AsyncFileUtil::StatusCallback& callback,
+      const storage::WatcherManager::NotificationCallback&
+          notification_callback) override;
   virtual void RemoveWatcher(
       const GURL& origin,
       const base::FilePath& entry_path,
       bool recursive,
       const storage::AsyncFileUtil::StatusCallback& callback) override;
   virtual const ProvidedFileSystemInfo& GetFileSystemInfo() const override;
   virtual RequestManager* GetRequestManager() override;
   virtual Watchers* GetWatchers() override;
   virtual void AddObserver(ProvidedFileSystemObserver* observer) override;
   virtual void RemoveObserver(ProvidedFileSystemObserver* observer) override;
   virtual bool 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) override;
   virtual base::WeakPtr<ProvidedFileSystemInterface> GetWeakPtr() override;
 
   // Factory callback, to be used in Service::SetFileSystemFactory(). The
   // |event_router| argument can be NULL.
   static ProvidedFileSystemInterface* Create(
       Profile* profile,
       const ProvidedFileSystemInfo& file_system_info);
 
@@ skipping 25 matching lines @@
   Watchers watchers_;
 
   base::WeakPtrFactory<FakeProvidedFileSystem> weak_ptr_factory_;
   DISALLOW_COPY_AND_ASSIGN(FakeProvidedFileSystem);
 };
 
 }  // namespace file_system_provider
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_FAKE_PROVIDED_FILE_SYSTEM_H_