GitLab

Move the core drag&drop code for Windows to content\browser to match Mac/GTK. I've had to add temporary exceptions to DEPS which I'll remove in followup changes.

BUG=98716
Review URL: https://chromiumcodereview.appspot.com/9562049

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@124603 0039d316-1c4b-4281-b951-d872f2087c98