Deleting redundant files after refactoring.

I left these deletions out of my reviewed CL when I recreated it because Rietveld kept getting confused about whether I was deleting/renaming a file.

Since the deletions were already reviewed on the original CL I'm TBR-ing this change.

TBR=kalman
BUG=328441

Review URL: https://codereview.chromium.org/119303002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@242058 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 242058