More case fixing following DOM serialization change.
More case fixing following DOM serialization change.

BUG=37612,42281
TEST=DomSerializerTests.SerializeHTMLDOMWithEntitiesInAttributeValue

Review URL: http://codereview.chromium.org/1712008

git-svn-id: http://src.chromium.org/svn/trunk/src@45369 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 8fc2e382d189e810854b7ba43dcfa7916f1f995e
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