Add ability to query and allocate zero copy buffers.

ui/ozone/public/surface_factory_ozone.cc

Index: ui/ozone/public/surface_factory_ozone.cc
diff --git a/ui/ozone/public/surface_factory_ozone.cc b/ui/ozone/public/surface_factory_ozone.cc
index 46cee88d6b318a81e2eeb4567c8fa4d634af623a..66263803fa6ed46b72adc5cdbb720cb52f93aad5 100644
--- a/ui/ozone/public/surface_factory_ozone.cc
+++ b/ui/ozone/public/surface_factory_ozone.cc
@@ -66,7 +66,8 @@ ui::OverlayCandidatesOzone* SurfaceFactoryOzone::GetOverlayCandidates(
 
 scoped_refptr<ui::NativePixmap> SurfaceFactoryOzone::CreateNativePixmap(
     gfx::Size size,
-    BufferFormat format) {
+    BufferFormat format,
+    BufferUsage usage) {
   return NULL;
 }
 
@@ -83,4 +84,9 @@ bool SurfaceFactoryOzone::ScheduleOverlayPlane(
 bool SurfaceFactoryOzone::CanShowPrimaryPlaneAsOverlay() {
   return false;
 }
+
+bool SurfaceFactoryOzone::CanCreateNativePixmap(BufferUsage usage) {
+  return false;
+}
+
 }  // namespace ui