Don't send the channel-disconnect message if the recipient is in the process

Don't send the channel-disconnect message if the recipient is in the process
of closing.

This is an attempt to fix a crash bug.

TEST=no
BUG=21201
Committed: http://src.chromium.org/viewvc/chrome?view=rev&revision=25767

[rafaelw, 2009-09-09 18:03:55]

lgtm

http://codereview.chromium.org/197054/diff/1/2
File chrome/browser/extensions/extension_message_service.cc (right):

http://codereview.chromium.org/197054/diff/1/2#newcode461
Line 461: bool notify_other_port =
I think this variable name and comment is misleading. how about:

// If both sides are the same renderer, and it is closing, there is no "other"
port, so there's no need to notify it.

[rafaelw, 2009-09-09 18:04:37]

sorry. changed my mine. the variable name is fine. my only request is the
comment.