Rebaseline s4  gms

TBR=bsalomon@google.com

BUG=skia:

Review URL: https://codereview.chromium.org/712693002
cleaning up geometry handling in gpu

BUG=skia:

Review URL: https://codereview.chromium.org/707953004
Finish rebase from df and add baseline images for n10 debug

TBR=jvanverth@google.com

BUG=skia:

Review URL: https://codereview.chromium.org/705353003
Make gpudft non-default config for gm

Review URL: https://codereview.chromium.org/692153003
simple cl to cleanup friends in GrGpu

BUG=skia:

Review URL: https://codereview.chromium.org/709003006
Rebase for win7 x86 gpu

TBR=bsalomon@google.com

BUG=skia:

Review URL: https://codereview.chromium.org/708153002