[fsp] Pass proper data to Notify().

chrome/browser/chromeos/file_system_provider/provided_file_system_interface.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_PROVIDED_FILE_SYSTEM_INTERFACE_H_
 #define CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_PROVIDED_FILE_SYSTEM_INTERFACE_H_
 
 #include <map>
 #include <string>
 #include <vector>
@@ skipping 189 matching lines @@
   virtual void UnobserveEntry(
       const base::FilePath& entry_path,
       const storage::AsyncFileUtil::StatusCallback& callback) = 0;
 
   // Notifies about changes to the observed entries within the file system.
   // Invoked by the file system implementation. Returns false if the
   // notification arguments are malformed or the entry is not observed anymore.
   virtual bool Notify(
       const base::FilePath& observed_path,
       ProvidedFileSystemObserver::ChangeType change_type,
-      const ProvidedFileSystemObserver::ChildChanges& child_changes,
+      scoped_ptr<ProvidedFileSystemObserver::ChildChanges> child_changes,
       const std::string& tag) = 0;
 
   // Returns a provided file system info for this file system.
   virtual const ProvidedFileSystemInfo& GetFileSystemInfo() const = 0;
 
   // Returns a mutable list of observed entries.
   virtual ObservedEntries* GetObservedEntries() = 0;
 
   // Returns a request manager for the file system.
   virtual RequestManager* GetRequestManager() = 0;
 
   // Adds an observer on the file system.
   virtual void AddObserver(ProvidedFileSystemObserver* observer) = 0;
 
   // Removes an observer.
   virtual void RemoveObserver(ProvidedFileSystemObserver* observer) = 0;
 
   // Returns a weak pointer to this object.
   virtual base::WeakPtr<ProvidedFileSystemInterface> GetWeakPtr() = 0;
 };
 
 }  // namespace file_system_provider
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_PROVIDED_FILE_SYSTEM_INTERFACE_H_