Get web application list using Drive V2 API.

chrome/browser/chromeos/gdata/gdata_wapi_feed_loader.h

Index: chrome/browser/chromeos/gdata/gdata_wapi_feed_loader.h
diff --git a/chrome/browser/chromeos/gdata/gdata_wapi_feed_loader.h b/chrome/browser/chromeos/gdata/gdata_wapi_feed_loader.h
index 2b968572a86cd4c80b12f810a93c8d0542057184..7ca243c5af21010ebb81196b89f4a8c270feed35 100644
--- a/chrome/browser/chromeos/gdata/gdata_wapi_feed_loader.h
+++ b/chrome/browser/chromeos/gdata/gdata_wapi_feed_loader.h
@@ -175,6 +175,13 @@ class GDataWapiFeedLoader {
       GDataErrorCode status,
       scoped_ptr<base::Value> feed_data);
 
+  // Callback for handling response from
+  // |GDataDocumentsService::GetApplicationList|.
+  // If the application list is successfully parsed, passes the list to
+  // Drive webapps registry.
+  void OnGetApplicationList(GDataErrorCode status,
+                            scoped_ptr<base::Value> json);
+
   // Callback for handling feed content fetching while searching for file info.
   // This callback is invoked after async feed fetch operation that was
   // invoked by StartDirectoryRefresh() completes. This callback will update