Unify graphics buffer format & usage enums for GpuMemoryBuffer & SurfaceFactoryOzone

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 70a81ad7d57587ff4b105949b485678e6c5b18ba..eab07e1f0ccfea6b7465042b551a08a914a2679a 100644
--- a/ui/ozone/public/surface_factory_ozone.cc
+++ b/ui/ozone/public/surface_factory_ozone.cc
@@ -50,8 +50,8 @@ const int32* SurfaceFactoryOzone::GetEGLSurfaceProperties(
 scoped_refptr<ui::NativePixmap> SurfaceFactoryOzone::CreateNativePixmap(
     gfx::AcceleratedWidget widget,
     gfx::Size size,
-    BufferFormat format,
-    BufferUsage usage) {
+    gfx::BufferFormat format,
+    gfx::BufferUsage usage) {
   return NULL;
 }
 
@@ -59,7 +59,7 @@ bool SurfaceFactoryOzone::CanShowPrimaryPlaneAsOverlay() {
   return false;
 }
 
-bool SurfaceFactoryOzone::CanCreateNativePixmap(BufferUsage usage) {
+bool SurfaceFactoryOzone::CanCreateNativePixmap(gfx::BufferUsage usage) {
   return false;
 }