introduce Props to surface (work in progress)

BUG=skia:
R=robertphillips@google.com, bsalomon@google.com, jvanverth@google.com, bungeman@google.com, fmalita@google.com, vangelis@chromium.org, reed@chromium.org

Author: reed@google.com

Review URL: https://codereview.chromium.org/551463004
diff --git a/dm/DMGpuSupport.h b/dm/DMGpuSupport.h
index a3c487d..af6270d 100644
--- a/dm/DMGpuSupport.h
+++ b/dm/DMGpuSupport.h
@@ -22,7 +22,7 @@
                                        GrGLStandard gpuAPI,
                                        SkImageInfo info,
                                        int samples) {
-    return SkSurface::NewRenderTarget(grFactory->get(type, gpuAPI), info, samples);
+    return SkSurface::NewRenderTarget(grFactory->get(type, gpuAPI), info, samples, NULL);
 }
 
 }  // namespace DM