Update the UI examples.

examples/ui/spinning_cube/spinning_cube_view.h

Index: examples/ui/spinning_cube/spinning_cube_view.h
diff --git a/examples/ui/spinning_cube/spinning_cube_view.h b/examples/ui/spinning_cube/spinning_cube_view.h
index 1a5b7fe0185870af56982c8e8234887865d6eca8..e65220c5b20c520054f429904ed842d20117a706 100644
--- a/examples/ui/spinning_cube/spinning_cube_view.h
+++ b/examples/ui/spinning_cube/spinning_cube_view.h
@@ -7,71 +7,48 @@
 
 #include <memory>
 
-#include "base/bind.h"
-#include "base/memory/weak_ptr.h"
 #include "examples/spinning_cube/spinning_cube.h"
-#include "mojo/gpu/gl_context.h"
-#include "mojo/gpu/gl_context_owner.h"
-#include "mojo/gpu/gl_texture.h"
-#include "mojo/gpu/texture_cache.h"
-#include "mojo/gpu/texture_uploader.h"
-#include "mojo/public/cpp/application/application_impl.h"
-#include "mojo/public/cpp/bindings/strong_binding.h"
-#include "mojo/public/cpp/environment/environment.h"
-#include "mojo/public/cpp/system/core.h"
-#include "mojo/public/cpp/system/macros.h"
-#include "mojo/services/surfaces/interfaces/quads.mojom.h"
-#include "mojo/services/surfaces/interfaces/surfaces.mojom.h"
-#include "mojo/services/ui/views/interfaces/view_manager.mojom.h"
-#include "mojo/services/ui/views/interfaces/view_provider.mojom.h"
-#include "mojo/services/ui/views/interfaces/views.mojom.h"
+#include "mojo/ui/choreographer.h"
+#include "mojo/ui/gl_view.h"
+#include "mojo/ui/input_handler.h"
 
 namespace examples {
 
-class SpinningCubeView : public mojo::ui::View {
+class SpinningCubeView : public mojo::ui::GLView,
+                         public mojo::ui::ChoreographerDelegate,
+                         public mojo::ui::InputListener {
  public:
-  SpinningCubeView(mojo::ApplicationImpl* app,
-                   const mojo::ui::ViewProvider::CreateViewCallback& callback);
+  SpinningCubeView(
+      mojo::ApplicationImpl* app_impl,
+      const mojo::ui::ViewProvider::CreateViewCallback& create_view_callback);
 
   ~SpinningCubeView() override;
 
  private:
-  // |View|:
+  // |GLView|:
   void OnLayout(mojo::ui::ViewLayoutParamsPtr layout_params,
                 mojo::Array<uint32_t> children_needing_layout,
                 const OnLayoutCallback& callback) override;
-  void OnChildUnavailable(uint32_t child_key,
-                          const OnChildUnavailableCallback& callback) override;
 
-  void OnSurfaceIdNamespaceAvailable(uint32_t id_namespace);
+  // |ChoreographerDelegate|:
+  void OnDraw(const mojo::gfx::composition::FrameInfo& frame_info,
+              const base::TimeDelta& time_delta) override;
 
-  void InitView();
+  // |InputListener|:
+  void OnEvent(mojo::EventPtr event, const OnEventCallback& callback) override;
 
-  void InitCube();
-  void DrawCube();
-  void OnSurfaceSubmitted();
-  void ScheduleDraw();
+  void DrawCubeWithGL();
 
-  mojo::ui::ViewProvider::CreateViewCallback callback_;
-  mojo::StrongBinding<mojo::ui::View> binding_;
-
-  mojo::GLContextOwner context_owner_;
-  mojo::ResourceReturnerPtr resource_returner_;  // must be before texture cache
-  mojo::TextureCache texture_cache_;
-
-  mojo::SurfacePtr surfaces_;
-  mojo::SurfaceIdPtr surface_id_;
-  uint32_t surface_id_namespace_;
-
-  mojo::ui::ViewManagerPtr view_manager_;
-  mojo::ui::ViewHostPtr view_host_;
-  mojo::ServiceProviderPtr view_service_provider_;
+  mojo::ui::Choreographer choreographer_;
+  mojo::ui::InputHandler input_handler_;
 
   mojo::Size size_;
 
   SpinningCube cube_;
-  MojoTimeTicks last_draw_;
-  bool draw_scheduled_;
+
+  mojo::PointF capture_point_;
+  mojo::PointF last_drag_point_;
+  MojoTimeTicks drag_start_time_ = 0u;
 
   base::WeakPtrFactory<SpinningCubeView> weak_ptr_factory_;