Revert 232385 "Enable ActivityLogApiTest.TriggerEvent and update..."

Broke the "Win7 Tests (1)" bot

> Enable ActivityLogApiTest.TriggerEvent and update test
> 
> Blink rev has been rolled to r161048, which includes the innerHTML
> move from HTMLElement to Element. Update and enable the test that had
> to be disabled during the transition.
> 
> BUG=311080
> 
> Review URL: https://codereview.chromium.org/54933002

TBR=davve@opera.com

Review URL: https://codereview.chromium.org/50433006

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@232454 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 232454
Add more logging on MediaDrm events.

This helps investigate issue b/11390539.

BUG=b/11390539
R=qinmin@chromium.org

Review URL: https://codereview.chromium.org/54673011

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@232455 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 232455