Mojo: Get rid of ui::gfx from sample_app

mojo/examples/sample_app/gles2_client_impl.h

Index: mojo/examples/sample_app/gles2_client_impl.h
diff --git a/mojo/examples/sample_app/gles2_client_impl.h b/mojo/examples/sample_app/gles2_client_impl.h
index effba5d6db92c38920987b252dec107b5c4d92dc..dbccbfb17c3427d9b3ebfae83b8d0c9a0313b231 100644
--- a/mojo/examples/sample_app/gles2_client_impl.h
+++ b/mojo/examples/sample_app/gles2_client_impl.h
@@ -7,9 +7,8 @@
 
 #include "mojo/examples/sample_app/spinning_cube.h"
 #include "mojo/public/c/gles2/gles2.h"
+#include "mojo/services/public/interfaces/geometry/geometry.mojom.h"
 #include "mojo/services/public/interfaces/native_viewport/native_viewport.mojom.h"
-#include "ui/gfx/point_f.h"
-#include "ui/gfx/size.h"
 
 namespace examples {
 
@@ -31,10 +30,10 @@ class GLES2ClientImpl {
   void CancelAnimationFrames();
 
   MojoTimeTicks last_time_;
-  gfx::Size size_;
+  mojo::Size size_;
   SpinningCube cube_;
-  gfx::PointF capture_point_;
-  gfx::PointF last_drag_point_;
+  mojo::Point capture_point_;
+  mojo::Point last_drag_point_;
   MojoTimeTicks drag_start_time_;
   bool getting_animation_frames_;