Code:  void WebPluginProxy::SetWindowlessPumpEvent(HANDLE pump_messages_event) {
   HANDLE pump_messages_event_for_renderer = NULL;
  DuplicateHandle(GetCurrentProcess(), pump_messages_event,
                  channel_->renderer_handle(),
                  &pump_messages_event_for_renderer,
                  0, FALSE, DUPLICATE_SAME_ACCESS);
   DCHECK(pump_messages_event_for_renderer != NULL);
   Send(new PluginHostMsg_SetWindowlessPumpEvent(
       route_id_, pump_messages_event_for_renderer));
}

Vulnerability Type: DoS 
CWE ID: 
Summary: Google Chrome before 20.0.1132.43 on Windows does not properly isolate sandboxed processes, which might allow remote attackers to cause a denial of service (process interference) via unspecified vectors.
Commit Message: Convert plugin and GPU process to brokered handle duplication.

BUG=119250
Review URL: https://chromiumcodereview.appspot.com/9958034

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@132303 0039d316-1c4b-4281-b951-d872f2087c98