Add log message to forwarder2's DeviceController when a port is unmapped.

BUG=313809
R=bulach@chromium.org

Review URL: https://codereview.chromium.org/59763003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@232983 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 232983
Translate: Fix broken UMA entries

UMA reporting values are temporarily broken. This change will fix the
value and add a definition for the new item.

TEST=unit_tests
BUG=n/a

Review URL: https://codereview.chromium.org/58253002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@232984 0039d316-1c4b-4281-b951-d872f2087c98
ash: Add VLOG(1) to UserActivityDetector.

Add a VLOG(1) message containing event details to
UserActivityDetector. This makes it easier to debug
unexpected user activity, which we've seen in the past.

BUG=none
TBR=nkostylev@chromium.org

Review URL: https://codereview.chromium.org/58293003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@232985 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 232985