Implement a DRIVE_REQUEST_TOO_LARGE backoff.

google_apis/drive/base_requests_server_unittest.cc

Index: google_apis/drive/base_requests_server_unittest.cc
diff --git a/google_apis/drive/base_requests_server_unittest.cc b/google_apis/drive/base_requests_server_unittest.cc
index c4fe3882f925d510d148ca5f6346e4b557d3136d..e8da79dfd6e05f93b30718d0089fb1077e1e9b99 100644
--- a/google_apis/drive/base_requests_server_unittest.cc
+++ b/google_apis/drive/base_requests_server_unittest.cc
@@ -84,7 +84,7 @@ TEST_F(BaseRequestsServerTest, DownloadFileRequest_ValidFile) {
         test_server_.GetURL("/files/drive/testfile.txt"),
         GetTestCachedFilePath(
             base::FilePath::FromUTF8Unsafe("cached_testfile.txt")));
-    request_sender_->StartRequestWithRetry(request);
+    request_sender_->StartRequestWithAuthRetry(request);
     run_loop.Run();
   }
 
@@ -118,7 +118,7 @@ TEST_F(BaseRequestsServerTest, DownloadFileRequest_NonExistentFile) {
         test_server_.GetURL("/files/gdata/no-such-file.txt"),
         GetTestCachedFilePath(
             base::FilePath::FromUTF8Unsafe("cache_no-such-file.txt")));
-    request_sender_->StartRequestWithRetry(request);
+    request_sender_->StartRequestWithAuthRetry(request);
     run_loop.Run();
   }
   EXPECT_EQ(HTTP_NOT_FOUND, result_code);