Update the shell window watchlists to include the native_app* files.

NOTRY=true
TBR=koz@chromium.org


Review URL: https://chromiumcodereview.appspot.com/14091003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@193438 0039d316-1c4b-4281-b951-d872f2087c98

WATCHLISTS

@@ -391,7 +391,7 @@
       'filepath': 'chrome/browser/sessions/',
     },
     'shell_window': {
-      'filepath': 'chrome/browser/ui/(views/|gtk/|cocoa/|)extensions/(shell|app)'
+      'filepath': 'chrome/browser/ui/(views/|gtk/|cocoa/|)extensions/(shell|app|native)' \
     },
     'site_instance': {
       'filepath': 'content/browser/site_instance|'\