drive/syncFS: Switch to ID based download URL.

chrome/browser/sync_file_system/drive_backend/fake_drive_service_helper.cc

Index: chrome/browser/sync_file_system/drive_backend/fake_drive_service_helper.cc
diff --git a/chrome/browser/sync_file_system/drive_backend/fake_drive_service_helper.cc b/chrome/browser/sync_file_system/drive_backend/fake_drive_service_helper.cc
index 6de245290ab7e0e713946f42aaa2851142c67998..89924b97126308232a832e649e654f9cdfa21ef6 100644
--- a/chrome/browser/sync_file_system/drive_backend/fake_drive_service_helper.cc
+++ b/chrome/browser/sync_file_system/drive_backend/fake_drive_service_helper.cc
@@ -249,7 +249,7 @@ GDataErrorCode FakeDriveServiceHelper::ReadFile(
   base::FilePath temp_file;
   EXPECT_TRUE(file_util::CreateTemporaryFileInDir(temp_dir_, &temp_file));
   fake_drive_service_->DownloadFile(
-      temp_file, file->download_url(),
+      temp_file, file->resource_id(),
       base::Bind(&DownloadResultCallback, &error),
       google_apis::GetContentCallback(),
       google_apis::ProgressCallback());