Mojo C++ bindings: Generate InterfaceHandle<> instead of InterfacePtr<>.

examples/spinning_cube/spinning_cube_app.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <assert.h>
 
 #include <memory>
 
 #include "base/bind.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 59 matching lines @@
     assert(event);
     if (event->pointer_data.get())
       gles2_client_->HandleInputEvent(*event);
     callback.Run();
   }
 
  private:
   void SetEventDispatcher() {
     mojo::NativeViewportEventDispatcherPtr ptr;
     dispatcher_binding_.Bind(GetProxy(&ptr));
-    viewport_->SetEventDispatcher(ptr.Pass());
+    viewport_->SetEventDispatcher(ptr.PassInterfaceHandle());

[viettrungluu, 2016/02/10 01:04:08]

So, this seems kind of dumb:

GetProxy() makes a message pipe, binds one end to ptr and returns the other end
inside an InterfaceRequest. Then you immediately unbind ptr.

Maybe we should have an overload for GetProxy() that takes an
InterfaceHandle<T>*?

[vardhan, 2016/02/11 22:47:53]

Done.

   }
 
   void OnViewportConnectionError() { mojo::RunLoop::current()->Quit(); }
 
   scoped_ptr<GLES2ClientImpl> gles2_client_;
   mojo::NativeViewportPtr viewport_;
   mojo::ContextProviderPtr onscreen_context_provider_;
   mojo::Binding<NativeViewportEventDispatcher> dispatcher_binding_;
 
   DISALLOW_COPY_AND_ASSIGN(SpinningCubeApp);
 };
 
 }  // namespace examples
 
 MojoResult MojoMain(MojoHandle application_request) {
   mojo::ApplicationRunner runner(std::unique_ptr<examples::SpinningCubeApp>(
       new examples::SpinningCubeApp()));
   return runner.Run(application_request);
 }