Get AboutResource as account metadata for Drive V2.

chrome/browser/chromeos/gdata/gdata_files.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_FILES_H_
 #define CHROME_BROWSER_CHROMEOS_GDATA_GDATA_FILES_H_
 
 #include <map>
 #include <string>
 
@@ skipping 345 matching lines @@
 
   // Last time when we dumped serialized file system to disk.
   const base::Time& last_serialized() const { return last_serialized_; }
   void set_last_serialized(const base::Time& time) { last_serialized_ = time; }
   // Size of serialized file system on disk in bytes.
   const size_t serialized_size() const { return serialized_size_; }
   void set_serialized_size(size_t size) { serialized_size_ = size; }
 
   // Largest change timestamp that was the source of content for the current
   // state of the root directory.
-  const int largest_changestamp() const { return largest_changestamp_; }
-  void set_largest_changestamp(int value) { largest_changestamp_ = value; }
+  const int64 largest_changestamp() const { return largest_changestamp_; }
+  void set_largest_changestamp(int64 value) { largest_changestamp_ = value; }
 
   // The root directory content origin.
   const ContentOrigin origin() const { return origin_; }
   void set_origin(ContentOrigin value) { origin_ = value; }
 
+  // Sets root directory resource id.
+  void SetRootResourceId(const std::string& root_id);
+
   // Adds |entry| to |directory_path| asynchronously.
   // Must be called on UI thread. |callback| is called on the UI thread.
   void AddEntryToDirectory(const FilePath& directory_path,
                            GDataEntry* entry,
                            const FileOperationCallback& callback);
 
   // Adds the entry to resource map.
   void AddEntryToResourceMap(GDataEntry* entry);
 
   // Removes the entry from resource map.
@@ skipping 54 matching lines @@
   // Private data members.
   scoped_refptr<base::SequencedTaskRunner> blocking_task_runner_;
   scoped_ptr<ResourceMetadataDB> directory_service_db_;
 
   ResourceMap resource_map_;
 
   scoped_ptr<GDataDirectory> root_;  // Stored in the serialized proto.
 
   base::Time last_serialized_;
   size_t serialized_size_;
-  int largest_changestamp_;  // Stored in the serialized proto.
+  int64 largest_changestamp_;  // Stored in the serialized proto.
   ContentOrigin origin_;
 
   // This should remain the last member so it'll be destroyed first and
   // invalidate its weak pointers before other members are destroyed.
   base::WeakPtrFactory<GDataDirectoryService> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(GDataDirectoryService);
 };
 
 }  // namespace gdata
 
 #endif  // CHROME_BROWSER_CHROMEOS_GDATA_GDATA_FILES_H_