Mojo: more idiomatic C++ bindings

mojo/services/view_manager/type_converters.h

Index: mojo/services/view_manager/type_converters.h
diff --git a/mojo/services/view_manager/type_converters.h b/mojo/services/view_manager/type_converters.h
index 1c9a880091b1219dd1b225053879519a51cacc83..4ebe9d0ddec17a85cca7d16970f6f2e982076a52 100644
--- a/mojo/services/view_manager/type_converters.h
+++ b/mojo/services/view_manager/type_converters.h
@@ -6,11 +6,10 @@
 #define MOJO_SERVICES_VIEW_MANAGER_TYPE_CONVERTERS_H_
 
 #include "mojo/public/cpp/bindings/type_converter.h"
+#include "mojo/services/public/interfaces/view_manager/view_manager.mojom.h"
 
 namespace mojo {
 
-class Buffer;
-
 namespace view_manager {
 
 class INode;
@@ -21,14 +20,11 @@ class Node;
 }  // namespace view_manager
 
 template <>
-class TypeConverter<view_manager::INode,
+class TypeConverter<view_manager::INodePtr,
                     const view_manager::service::Node*> {
  public:
-  static view_manager::INode ConvertFrom(
-      const view_manager::service::Node* node,
-      Buffer* buf);
-
-  MOJO_ALLOW_IMPLICIT_TYPE_CONVERSION();
+  static view_manager::INodePtr ConvertFrom(
+      const view_manager::service::Node* node);
 };
 
 }  // namespace mojo