DevTools: Fix expression evaluation while on a breakpoint.
DevTools: Fix expression evaluation while on a breakpoint.

BUG=13251

Review URL: http://codereview.chromium.org/118236

git-svn-id: http://src.chromium.org/svn/trunk/src@17637 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 8396cc73959366cf40b8f0b895855fdf7d11d4b0
meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser