filter_context.GetMimeType returns false if there is no Content-Type response header, so we should not assert that 'success' is always true.  But we can assert that if 'success' is false, 'mime_type' is empty.
filter_context.GetMimeType returns false if there is no
Content-Type response header, so we should not assert that
'success' is always true.  But we can assert that if
'success' is false, 'mime_type' is empty.

R=jar
Review URL: http://codereview.chromium.org/53127

git-svn-id: http://src.chromium.org/svn/trunk/src@12659 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 0aeb34fc562368526907eb2baea3e77afce9292e
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