Initial implementation of sending an install success event to Omaha.

BUG=560
TEST=emerged,ran unit tests

Review URL: http://codereview.chromium.org/2981008
diff --git a/integration_unittest.cc b/integration_unittest.cc
index 7b7a35b..8a0ac61 100644
--- a/integration_unittest.cc
+++ b/integration_unittest.cc
@@ -105,7 +105,7 @@
 
   // Actions:
   OmahaRequestPrepAction request_prep_action(false);
-  OmahaRequestAction update_check_action(new LibcurlHttpFetcher);
+  OmahaRequestAction update_check_action(NULL, new LibcurlHttpFetcher);
   OmahaResponseHandlerAction response_handler_action;
   DownloadAction download_action(new LibcurlHttpFetcher);
   InstallAction install_action;