Revert "Adding derived sources for platform."
Revert "Remove extra inclusion of FontFamilyNames"

This reverts commit r159354. It broke the non-component build.
This reverts commit r159364. It broke the component build.

TBR=schenney@chromium.org

Review URL: https://codereview.chromium.org/26905004

git-svn-id: svn://svn.chromium.org/blink/trunk@159371 bbb929c8-8fbe-4397-9dbb-9b2b20218538