Refactor GetAboutRequest and GetApplistRequest.

chrome/browser/drive/drive_service_interface.h

Index: chrome/browser/drive/drive_service_interface.h
diff --git a/chrome/browser/drive/drive_service_interface.h b/chrome/browser/drive/drive_service_interface.h
index 72ee3a80c91e75774e35f89c4475dbda0944e6f8..2013a609612e04b56bb52f4d3e8072c4cc37995f 100644
--- a/chrome/browser/drive/drive_service_interface.h
+++ b/chrome/browser/drive/drive_service_interface.h
@@ -166,13 +166,13 @@ class DriveServiceInterface {
   // Upon completion, invokes |callback| with results on the calling thread.
   // |callback| must not be null.
   virtual google_apis::CancelCallback GetAboutResource(
-      const google_apis::GetAboutResourceCallback& callback) = 0;
+      const google_apis::AboutResourceCallback& callback) = 0;
 
   // Gets the application information from the server.
   // Upon completion, invokes |callback| with results on the calling thread.
   // |callback| must not be null.
   virtual google_apis::CancelCallback GetAppList(
-      const google_apis::GetAppListCallback& callback) = 0;
+      const google_apis::AppListCallback& callback) = 0;
 
   // Deletes a resource identified by its |resource_id|.
   // If |etag| is not empty and did not match, the deletion fails with