Changes TabStrip's drop indicator not to allow dropping on mini-tabs.
Changes TabStrip's drop indicator not to allow dropping on
mini-tabs.

BUG=32845
TEST=none

Review URL: http://codereview.chromium.org/587005

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@38395 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser