IPC: change sync channel dispatch restriction to allow dispatch to other channels within the same "group"
This prevents 4-way deadlocks with 2 renderers talking to 2 different pepper plugins.
BUG=120530
TEST=RestrictedDispatch4WayDeadlock, load chromeos chrome with 2 gmail tabs (on 2 domains), quit and restore session multiple times.
Review URL: https://chromiumcodereview.appspot.com/9917002
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@129944 0039d316-1c4b-4281-b951-d872f2087c98
CrOS-Libchrome-Original-Commit: 298ee7d563620ce6253e393ec92b60c33a9042d3
4 files changed