Trace the lifetime of CopyOutputRequest
commit3ab2dbbf28839868c5dad84def4820e6a4eb7f9c
authorjdduke@chromium.org <jdduke@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>
Mon, 28 Apr 2014 23:31:42 +0000 (28 23:31 +0000)
committerjdduke@chromium.org <jdduke@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>
Mon, 28 Apr 2014 23:31:42 +0000 (28 23:31 +0000)
tree2b26b5bf163681412f52d2c03fd3676c7a0a9410
parent23e24b435570e6df66d0e142fdb8846e7aa440a8
Trace the lifetime of CopyOutputRequest

The async readback case can be hard to follow with existing traces. Add an async
lifetime trace for each valid CopyOutputRequest, making clear both the lifetime
and frequency of such requests.

BUG=321624

Review URL: https://codereview.chromium.org/239183003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@266688 0039d316-1c4b-4281-b951-d872f2087c98
cc/output/copy_output_request.cc