Add GetUploadStatus method to the DriveServiceInterface.

chrome/browser/google_apis/drive_uploader.cc

Index: chrome/browser/google_apis/drive_uploader.cc
diff --git a/chrome/browser/google_apis/drive_uploader.cc b/chrome/browser/google_apis/drive_uploader.cc
index 24620b07c8c78dc55efa91c1849ed3d3a08a02aa..9be960f48138b0a7623d3bd2e3bedf337c25b9b2 100644
--- a/chrome/browser/google_apis/drive_uploader.cc
+++ b/chrome/browser/google_apis/drive_uploader.cc
@@ -343,14 +343,14 @@ void DriveUploader::ReadCompletionCallback(
                          info_ptr->buf,
                          info_ptr->upload_location,
                          info_ptr->drive_path),
-      base::Bind(&DriveUploader::OnResumeUploadResponseReceived,
+      base::Bind(&DriveUploader::OnUploadRangeResponseReceived,
                  weak_ptr_factory_.GetWeakPtr(),
                  base::Passed(&upload_file_info)));
 }
 
-void DriveUploader::OnResumeUploadResponseReceived(
+void DriveUploader::OnUploadRangeResponseReceived(
     scoped_ptr<UploadFileInfo> upload_file_info,
-    const ResumeUploadResponse& response,
+    const UploadRangeResponse& response,
     scoped_ptr<ResourceEntry> entry) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));