Add a header for OverView.cpp as well.

This fixes another FIXMEs.

Signed-off-by: Thiago Farina <tfarina@chromium.org>

Review URL: https://codereview.appspot.com/6492125

git-svn-id: http://skia.googlecode.com/svn/trunk/gyp@5576 2bbb7eff-a529-9590-31e7-b0007b416f81
2 files changed