Get rid of flickering of the old tab in the content area, caused by not drawing the newly dropped tab contents until we got back to the event loop. BUG=none TEST=tab dragging in and out of windows, should be no flicker when dropping a new tab into an existing window. Review URL: http://codereview.chromium.org/377038
Get rid of flickering of the old tab in the content area, caused by not drawing the newly dropped tab contents until we got back to the event loop.
BUG=none
TEST=tab dragging in and out of windows, should be no flicker when dropping a new tab into an existing window.
Review URL: http://codereview.chromium.org/377038

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@31476 0039d316-1c4b-4281-b951-d872f2087c98

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