Patch from <yuzo@google.com>:
Patch from <yuzo@google.com>:

Disable view-source if the page source is not viewable as text.
For example, a page of content type application/x-shockwave-flash
is not viewable.

http://crbug.com/9562

Review URL: http://codereview.chromium.org/66061


git-svn-id: http://src.chromium.org/svn/trunk/src@14880 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 0e20db19a7dddf99e889ca1922f363968a7292d4
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