Pass empty cros_user string to GetProfileSyncService() in sync integration tests
Pass empty cros_user string to GetProfileSyncService() in sync integration tests

The sync integration tests are broken on chrome OS because a cros_string
is not being passed to GetProfileSyncService() in
ProfileSyncServiceHarness::SetupSync(), causing no ProfileSyncService
object to be returned.

This patch passes an empty cros_user string to GetProfileSyncService(),
thereby fixing the sync integration tests on chrome OS.

BUG=70854, chromium-os:11319, chromium-os:9262
TEST=sync_integration_tests

Review URL: http://codereview.chromium.org/6248019

git-svn-id: http://src.chromium.org/svn/trunk/src@72574 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 6aa407672734a8052cc91248e46b454a682adb4a
meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser