Reload virtual keyboard when login status changed

Reload virtual keyboard when login status changed.


BUG=295747
TEST=None

Review URL: https://chromiumcodereview.appspot.com/23530072

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@225112 0039d316-1c4b-4281-b951-d872f2087c98
[Activity Log] Use TestTimeouts instead of fixed timeouts in unit tests

Rather than hard-coding timeout values in the activity log unit tests,
make use of the TestTimeouts class which will automatically provide
longer timeouts when running under environments like Valgrind or ASAN.

Review URL: https://chromiumcodereview.appspot.com/24386002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@225113 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 225113