Complete SyncMessageFilter initialization after SyncChannel initialization
This changes SyncChannel to keep track of any SyncMessageFilters it
creates prior to ChannelProxy::Init being called. Once Init completes,
initialization of all tracked SyncMessageFilters is completed by
updating their is_channel_send_thread_safe flag.
BUG=516464
R=jam@chromium.org
Review URL: https://codereview.chromium.org/1279863004
Cr-Commit-Position: refs/heads/master@{#342308}
CrOS-Libchrome-Original-Commit: 29ade1b15c854942b553c446df18ad3f3f46a931
5 files changed