Robustness improvements on the X-Associated-Content header. If we get a header which doesn't look like it contains a  parseable URL, log an error and drop it (instead of inserting it into the pending_streams_ list).
Robustness improvements on the X-Associated-Content header.
If we get a header which doesn't look like it contains a 
parseable URL, log an error and drop it (instead of inserting
it into the pending_streams_ list).

BUG=none
TEST=none

Review URL: http://codereview.chromium.org/420002

git-svn-id: http://src.chromium.org/svn/trunk/src@32629 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 7ec18c9f84dac909eabebbc2c8f043372bd52f26
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