Revert "Eliminate mime_util dependency from WebFrameLoaderClient."

This reverts commit f6429666a47eac17a18409d1743841bc44ed9a7a.

Review URL: http://codereview.chromium.org/351001

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@30676 0039d316-1c4b-4281-b951-d872f2087c98
4 files changed