[Mac] Location icon in omnibox as drag source.
Wire up location icon to allow dragging if the user click-drags or
click-holds. Otherwise falls through to the page-info display.
BUG=37865
TEST=When omnibox shows an URL, click-drag the globe initiates an URL drag.
TEST=Drop it in web content.
TEST=Drop it in safari.
TEST=Drop it on bookmark bar.
Review URL: http://codereview.chromium.org/1567023
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@43971 0039d316-1c4b-4281-b951-d872f2087c98
4 files changed