Reorder View Textfield and Omnibox overrides.

Subclass overrides should match base class decls.
No other changes, just reordering functions.

BUG=131660
TEST=none
TBR=sky@chromium.org

Review URL: https://codereview.chromium.org/191783002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@255857 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 255857