[wip-test] Test if any bot test calls utility zip creator IPC.

chrome/utility/chrome_content_utility_client.cc

Index: chrome/utility/chrome_content_utility_client.cc
diff --git a/chrome/utility/chrome_content_utility_client.cc b/chrome/utility/chrome_content_utility_client.cc
index 0b38af4095d136715cc72157be935fe884098568..4a703342949d3a5737ea5bad0cdafa56e4e28516 100644
--- a/chrome/utility/chrome_content_utility_client.cc
+++ b/chrome/utility/chrome_content_utility_client.cc
@@ -250,6 +250,9 @@ void ChromeContentUtilityClient::OnCreateZipFile(
     const base::FilePath& src_dir,
     const std::vector<base::FilePath>& src_relative_paths,
     const base::FileDescriptor& dest_fd) {
+
+  NOTREACHED(); // HACK to see what try bot tests call here.
+
   // dest_fd should be closed in the function. See ipc/ipc_message_util.h for
   // details.
   base::ScopedFD fd_closer(dest_fd.fd);