Fixes bug in calculating caption area. If the frame was rtl we were using the wrong bounds, resulting in a dead zone in the tabstrip.
Fixes bug in calculating caption area. If the frame was rtl we were
using the wrong bounds, resulting in a dead zone in the tabstrip.

BUG=38308
TEST=see bug
R=ben@chromium.org

Review URL: http://codereview.chromium.org/7206013

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@89612 0039d316-1c4b-4281-b951-d872f2087c98

adobe/chromium,ropik/chromium,gavinp/chromium,yitian134/chromium,gavinp/chromium,adobe/chromium,ropik/chromium,yitian134/chromium,adobe/chromium,ropik/chromium,gavinp/chromium,yitian134/chromium,adobe/chromium,gavinp/chromium,adobe/chromium,ropik/chromium,yitian134/chromium,yitian134/chromium,gavinp/chromium,adobe/chromium,adobe/chromium,gavinp/chromium,yitian134/chromium,adobe/chromium,yitian134/chromium,ropik/chromium,ropik/chromium,gavinp/chromium,gavinp/chromium,adobe/chromium,ropik/chromium,adobe/chromium,yitian134/chromium,yitian134/chromium,yitian134/chromium,ropik/chromium,gavinp/chromium,gavinp/chromium,adobe/chromium,ropik/chromium