[Mac] Restore the old bookmark menus now that the experiment is over.

This reverts, with minor rebasing, the following commits:
r95609 - "[Mac] Replace the custom bookmark menus with native NSMenus."
r95901 - "[Mac] Delete more bookmark bar folder code. This removes things that were missed last time."
r99312 - "[Mac] Remove the Open All items from the bottom of bookmark bar folder menus."
r99423 - "[Mac] Fix the off-the-side chevron menu."

BUG=93674
TEST=Visual and covered by unit_tests

Review URL: http://codereview.chromium.org/8141003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@103959 0039d316-1c4b-4281-b951-d872f2087c98
38 files changed