Mojo: more idiomatic C++ bindings

mojo/examples/pepper_container_app/pepper_container_app.cc

Index: mojo/examples/pepper_container_app/pepper_container_app.cc
diff --git a/mojo/examples/pepper_container_app/pepper_container_app.cc b/mojo/examples/pepper_container_app/pepper_container_app.cc
index d2aab411c315a191b44b0cacdeab9e26ee6ecb03..0647b6663397b324ede82c572f3872f215fcb256 100644
--- a/mojo/examples/pepper_container_app/pepper_container_app.cc
+++ b/mojo/examples/pepper_container_app/pepper_container_app.cc
@@ -11,7 +11,6 @@
 #include "mojo/examples/pepper_container_app/plugin_instance.h"
 #include "mojo/examples/pepper_container_app/plugin_module.h"
 #include "mojo/examples/pepper_container_app/type_converters.h"
-#include "mojo/public/cpp/bindings/allocation_scope.h"
 #include "mojo/public/cpp/environment/environment.h"
 #include "mojo/public/cpp/gles2/gles2.h"
 #include "mojo/public/cpp/shell/application.h"
@@ -42,21 +41,17 @@ class PepperContainerApp: public Application,
       : Application(shell_handle),
         ppapi_globals_(this),
         plugin_module_(new PluginModule) {
-    mojo::AllocationScope scope;
-
     ConnectTo("mojo:mojo_native_viewport_service", &viewport_);
     viewport_.set_client(this);
 
-    Rect::Builder rect;
-    Point::Builder point;
-    point.set_x(10);
-    point.set_y(10);
-    rect.set_position(point.Finish());
-    Size::Builder size;
-    size.set_width(800);
-    size.set_height(600);
-    rect.set_size(size.Finish());
-    viewport_->Create(rect.Finish());
+    RectPtr rect(Rect::New());
+    rect->position = Point::New();
+    rect->position->x = 10;
+    rect->position->y = 10;
+    rect->size = Size::New();
+    rect->size->width = 800;
+    rect->size->height = 600;
+    viewport_->Create(rect.Pass());
     viewport_->Show();
   }
 
@@ -82,16 +77,16 @@ class PepperContainerApp: public Application,
     base::MessageLoop::current()->Quit();
   }
 
-  virtual void OnBoundsChanged(const Rect& bounds) OVERRIDE {
+  virtual void OnBoundsChanged(RectPtr bounds) OVERRIDE {
     ppapi::ProxyAutoLock lock;
 
     if (plugin_instance_)
-      plugin_instance_->DidChangeView(bounds);
+      plugin_instance_->DidChangeView(bounds.To<PP_Rect>());
   }
 
-  virtual void OnEvent(const Event& event,
+  virtual void OnEvent(EventPtr event,
                        const mojo::Callback<void()>& callback) OVERRIDE {
-    if (!event.location().is_null()) {
+    if (!event->location.is_null()) {
       ppapi::ProxyAutoLock lock;
 
       // TODO(yzshen): Handle events.