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

services/native_viewport/native_viewport_impl.cc

Index: services/native_viewport/native_viewport_impl.cc
diff --git a/services/native_viewport/native_viewport_impl.cc b/services/native_viewport/native_viewport_impl.cc
index a07ca9ec41d6842ec27b1082912d6d545c3e538d..7307714511fc1e09861ff2c2adebe8a7354918c4 100644
--- a/services/native_viewport/native_viewport_impl.cc
+++ b/services/native_viewport/native_viewport_impl.cc
@@ -90,8 +90,9 @@ void NativeViewportImpl::GetContextProvider(
 }
 
 void NativeViewportImpl::SetEventDispatcher(
-    mojo::NativeViewportEventDispatcherPtr dispatcher) {
-  event_dispatcher_ = dispatcher.Pass();
+    mojo::InterfaceHandle<mojo::NativeViewportEventDispatcher> dispatcher) {
+  event_dispatcher_ =
+      mojo::NativeViewportEventDispatcherPtr::Create(std::move(dispatcher));
 }
 
 void NativeViewportImpl::OnMetricsChanged(mojo::ViewportMetricsPtr metrics) {