Add a multi-threaded rendering example.

examples/ui/noodles/noodles_app.h

Index: examples/ui/noodles/noodles_app.h
diff --git a/examples/ui/tile/tile_app.h b/examples/ui/noodles/noodles_app.h
similarity index 66%
copy from examples/ui/tile/tile_app.h
copy to examples/ui/noodles/noodles_app.h
index 1b4d61996c11b62e58d2b11b9b47cb48522a44bf..221cd8e9c211c9a065c02969649e74905a8c55f5 100644
--- a/examples/ui/tile/tile_app.h
+++ b/examples/ui/noodles/noodles_app.h
@@ -2,17 +2,17 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef EXAMPLES_UI_TILE_TILE_APP_H_
-#define EXAMPLES_UI_TILE_TILE_APP_H_
+#ifndef EXAMPLES_UI_NOODLES_NOODLES_APP_H_
+#define EXAMPLES_UI_NOODLES_NOODLES_APP_H_
 
 #include "mojo/ui/view_provider_app.h"
 
 namespace examples {
 
-class TileApp : public mojo::ui::ViewProviderApp {
+class NoodlesApp : public mojo::ui::ViewProviderApp {
  public:
-  TileApp();
-  ~TileApp() override;
+  NoodlesApp();
+  ~NoodlesApp() override;
 
   bool CreateView(
       const std::string& connection_url,
@@ -21,9 +21,9 @@ class TileApp : public mojo::ui::ViewProviderApp {
       const mojo::ui::ViewProvider::CreateViewCallback& callback) override;
 
  private:
-  DISALLOW_COPY_AND_ASSIGN(TileApp);
+  DISALLOW_COPY_AND_ASSIGN(NoodlesApp);
 };
 
 }  // namespace examples
 
-#endif  // EXAMPLES_UI_TILE_TILE_APP_H_
+#endif  // EXAMPLES_UI_NOODLES_NOODLES_APP_H_