test_webview_delegate.cc was forked for the Mac test shell, and then
the GTK test shell was a fork of that.  This change reunifies the
Windows and GTK versions by refactoring the basic functionality out.
It should be easy enough to fix the Mac one as well following this.

Review URL: http://codereview.chromium.org/9735


git-svn-id: svn://svn.chromium.org/chrome/trunk/src@5089 0039d316-1c4b-4281-b951-d872f2087c98
7 files changed