Add histograms to record form activity for "evicted and reloaded" tabs.
commitac0620bf7cdb1c396680bb98b40b78437ae885bd
authorlliabraa@chromium.org <lliabraa@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>
Thu, 23 Jan 2014 22:01:57 +0000 (23 22:01 +0000)
committerlliabraa@chromium.org <lliabraa@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>
Thu, 23 Jan 2014 22:01:57 +0000 (23 22:01 +0000)
treeee65823ade6b5c309f772776773684f158b6466b
parentaf5b1193d009fcf9dd69d7c4d38d5559910e7c8d
Add histograms to record form activity for "evicted and reloaded" tabs.

The two histograms record the total amount of form activity and the
time since the most recent form activity.

BUG=None

Review URL: https://codereview.chromium.org/129873017

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@246695 0039d316-1c4b-4281-b951-d872f2087c98
tools/metrics/histograms/histograms.xml