Fix a crash reported seen in ChromeFrame in version 8.0.552.215 which was pushed to stable.
Fix a crash reported seen in ChromeFrame in version 8.0.552.215 which was pushed to stable.

Crash occurs while dereferencing a NULL TabProxy pointer.

BUG=65319
TEST=none

Review URL: http://codereview.chromium.org/5625004

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@68210 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