Rework TestService using asynchronos API of ExportedObject.
This change is to to exercise asynchronos API of ExportedObject.
The asynchronos API is implemented on top the synchronos API,
hence the synchronos API code is also covered.
Along the way, change EndToEndAsyncTest to use the D-Bus thread.
Simplified the test code per phajdan.jr's comments as well.
TEST=dbus_unittests
BUG=90036
Review URL: http://codereview.chromium.org/7671028
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@97540 0039d316-1c4b-4281-b951-d872f2087c98
6 files changed
