gdata: Remove use of FindEntryByPathAsync() from gdata_file_system_proxy.cc

chrome/browser/chromeos/gdata/gdata_file_system_proxy.h

 // 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_GDATA_GDATA_FILE_SYSTEM_PROXY_H_
 #define CHROME_BROWSER_CHROMEOS_GDATA_GDATA_FILE_SYSTEM_PROXY_H_
 #pragma once
 
 #include "webkit/chromeos/fileapi/remote_file_system_proxy.h"
 
 class Profile;
 
 namespace gdata {
 
 class GDataEntry;
+class GDataEntryProto;
+class GDataDirectoryProto;
 class GDataFileSystemInterface;
 
 // The interface class for remote file system proxy.
 class GDataFileSystemProxy : public fileapi::RemoteFileSystemProxyInterface {
  public:
   // |profile| is used to create GDataFileSystem, which is a per-profile
   // instance.
   explicit GDataFileSystemProxy(GDataFileSystemInterface* file_system);
   virtual ~GDataFileSystemProxy();
 
@@ skipping 25 matching lines @@
       callback) OVERRIDE;
   // TODO(zelidrag): More methods to follow as we implement other parts of FSO.
 
  private:
   // Checks if a given |url| belongs to this file system. If it does,
   // the call will return true and fill in |file_path| with a file path of
   // a corresponding element within this file system.
   static bool ValidateUrl(const GURL& url, FilePath* file_path);
 
   // Helper callback for relaying reply for metadata retrieval request to the
-  // calling thread. The callback is invoked while |file| is kept under lock
-  // so it is safe to retrieve data from it, but this pointer is not safe to
-  // be used outside of this method.
+  // calling thread.
   void OnGetMetadata(
       const FilePath& file_path,
       const fileapi::FileSystemOperationInterface::GetMetadataCallback&
           callback,
       base::PlatformFileError error,
-      const FilePath& directory_path,
-      GDataEntry* entry);
+      scoped_ptr<gdata::GDataEntryProto> entry_proto);
 
   // Helper callback for relaying reply for ReadDirectory() to the calling
-  // thread. The callback is invoked while |file| is kept under lock
-  // so it is safe to retrieve data from it, but this pointer is not safe to
-  // be used outside of this method.
+  // thread.
   void OnReadDirectory(
       bool hide_hosted_documents,
       const fileapi::FileSystemOperationInterface::ReadDirectoryCallback&
           callback,
       base::PlatformFileError error,
-      const FilePath& directory_path,
-      GDataEntry* entry);
+      scoped_ptr<GDataDirectoryProto> directory_proto);
 
   // GDataFileSystemProxy is owned by Profile, which outlives
   // GDataFileSystemProxy, which is owned by CrosMountPointProvider (i.e. by
   // the time Profile is removed, the file manager is already gone). Hence
   // it's safe to use this as a raw pointer.
   GDataFileSystemInterface* file_system_;
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_GDATA_GDATA_FILE_SYSTEM_PROXY_H_