PrintPreview: Move |INITIATOR_TAB_CRASHED| to the end of UserActionBuckets enum.

Don't re-number the existing histogram enums.

BUG=none
TEST=none


Review URL: http://codereview.chromium.org/7670004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@97064 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/ui/webui/print_preview_handler.cc

@@ -73,8 +73,8 @@ enum UserActionBuckets {
   CANCEL,
   FALLBACK_TO_ADVANCED_SETTINGS_DIALOG,
   PREVIEW_FAILED,
-  INITIATOR_TAB_CRASHED,
   PREVIEW_STARTED,
+  INITIATOR_TAB_CRASHED,
   USERACTION_BUCKET_BOUNDARY
 };