Add the right-click context menu for Browser actions and Page Actions.

BUG=29538
TEST=Right-click an extension icon and make sure all the options work for both
Page and Browser actions (Options should be grayed out when there is no Options
page specified in the manifest).
Review URL: http://codereview.chromium.org/486022

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@34812 0039d316-1c4b-4281-b951-d872f2087c98
16 files changed