Adding methods that got add when moving AppMenu.

There was a downstream change https://chrome-internal-review.googlesource.com/#/c/46251/
that added changes to AppMenuButtonHelper while I was working on upstreaming it.

BUG=309517
R=tedchoc@chromium.org

Review URL: https://codereview.chromium.org/90033003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@237602 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 237602
DevTools: Create symlinks instead of copying inspector resources in debug_devtools build on mac.

This will allow hacking on inspector front-end code without recompiling.

R=pfeldman

Review URL: https://codereview.chromium.org/81103005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@237603 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 237603