drive: Add the local largest changestamp to chrome:drive-internals

chrome/browser/chromeos/drive/drive_file_system.h

Index: chrome/browser/chromeos/drive/drive_file_system.h
diff --git a/chrome/browser/chromeos/drive/drive_file_system.h b/chrome/browser/chromeos/drive/drive_file_system.h
index cfd6ac7bec29c615dca6b8d7930bc6d023b65d5b..b1073a67ade72b45b244871cc8c8702c3f3a1221 100644
--- a/chrome/browser/chromeos/drive/drive_file_system.h
+++ b/chrome/browser/chromeos/drive/drive_file_system.h
@@ -135,6 +135,9 @@ class DriveFileSystem : public DriveFileSystemInterface,
                                scoped_ptr<gdata::DocumentEntry> entry,
                                const FilePath& file_content_path,
                                const base::Closure& callback) OVERRIDE;
+  virtual DriveResourceMetadata* GetResourceMetadata() OVERRIDE {

[Haruki Sato, 2012/10/15 07:10:29]

Is this overriding something?

[satorux1, 2012/10/16 05:02:56]

yes. one in DriveFileSystemInterface

+    return resource_metadata_.get();
+  }
 
   // content::NotificationObserver implementation.
   virtual void Observe(int type,
@@ -147,8 +150,6 @@ class DriveFileSystem : public DriveFileSystemInterface,
   virtual void OnDocumentFeedFetched(int num_accumulated_entries) OVERRIDE;
   virtual void OnFeedFromServerLoaded() OVERRIDE;
 
-  DriveResourceMetadata* ResourceMetadata() { return resource_metadata_.get(); }
-
   // Used in tests to load the root feed from the cache.
   void LoadRootFeedFromCacheForTesting();