Turn off drag-and-drop functionality while making a new bookmark.

The logic to turn off dragging was not quite correct, and there was no logic to
turn off dropping. This resulted in faulty callbacks being sent to chrome
browser (with drop indices outside of the permissible domain).

BUG=328090
TEST=tested manually on OSX. requires testing on linux and windows.

Review URL: https://codereview.chromium.org/116413002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@241232 0039d316-1c4b-4281-b951-d872f2087c98
apps: Remove ui/shell entry from shell's DEPS file.

ui/shell target was moved into ui/wm/test in crrev.com/235481 by me, but
I forgot to look at the DEPS file while doing it. This fixes this now.

BUG=308710
TEST=None
TBR=jamescook@chromium.org

Review URL: https://codereview.chromium.org/116453006

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@241233 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 241233
Omnibox: Add New Enums to OmniboxEvent

This adds new enums to omnibox_event.proto corresponding to
altready-submitted cr/58122875.

It's a direct copy-paste except to remove one internal codename.

BUG=

Review URL: https://codereview.chromium.org/116593004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@241234 0039d316-1c4b-4281-b951-d872f2087c98
Add UMA histogram for tracking enabling Google Drive offline mode on ChromeOS.

BUG=322409

Review URL: https://codereview.chromium.org/116633002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@241235 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 241235