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The error should be reported to IPC::Listener as it is a
signal of the dead peer. Without this, the browser cannot
detect renderer crashes.

TEST=browser_tests (with ChannelMojo enabled)
R=viettrungluu@chromium.org,darin@chromium.org
BUG=none

Review URL: https://codereview.chromium.org/453643003

Cr-Commit-Position: refs/heads/master@{#288442}
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@288442 0039d316-1c4b-4281-b951-d872f2087c98