Revert 242029 "Omnibox: Bug Fixes for Shortcuts Inlining"

Accidentally didn't check in the latest patch of this changeset.

> Omnibox: Bug Fixes for Shortcuts Inlining
> 
> Precisely, fixes up URL-like inputs before comparing to the shortcuts
> fill_into_edit in order to better determine inlineability.
> 
> This is especially useful for inputs such as about: which need to have
> their scheme fixed up to be recognized as comparable to chrome://
> shortcuts.
> 
> BUG=328220
> 
> Review URL: https://codereview.chromium.org/108643003

TBR=mpearson@chromium.org

Review URL: https://codereview.chromium.org/106573003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@242106 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 242106