Prevent TestShell from crashing at launch: don't release garbage CGImageRef in the WebCursor copy constructor. Review URL: http://codereview.chromium.org/7967
Prevent TestShell from crashing at launch: don't release garbage CGImageRef
in the WebCursor copy constructor.
Review URL: http://codereview.chromium.org/7967

git-svn-id: http://src.chromium.org/svn/trunk/src@3901 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 86aeeb0bc26431435022a9920770fb0576484e4c
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