Revert 58802 - Implement the webNavigation.onCommitted event.

BUG=50943
TEST=ExtensionApiTest.WebNavigationEvents

Review URL: http://codereview.chromium.org/3307013

TBR=jochen@chromium.org
Review URL: http://codereview.chromium.org/3317013

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@58807 0039d316-1c4b-4281-b951-d872f2087c98
20 files changed