Mojo: Add support for InterfacePtr as a struct member

mojo/public/tools/bindings/generators/mojom_cpp_generator.py

 # 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.
 
 """Generates C++ source files from a mojom.Module."""
 
 import mojom.generate.generator as generator
 import mojom.generate.module as mojom
 import mojom.generate.pack as pack
 from mojom.generate.template_expander import UseJinja
@@ skipping 110 matching lines @@
   return _kind_to_cpp_type[kind]
 
 def GetCppWrapperType(kind):
   if isinstance(kind, mojom.Enum):
     return GetNameForKind(kind)
   if isinstance(kind, mojom.Struct):
     return "%sPtr" % GetNameForKind(kind)
   if isinstance(kind, (mojom.Array, mojom.FixedArray)):
     return "mojo::Array<%s>" % GetCppArrayArgWrapperType(kind.kind)
   if isinstance(kind, mojom.Interface):
-    return "mojo::ScopedMessagePipeHandle"
+    return "%sPtr" % GetNameForKind(kind)
   if isinstance(kind, mojom.InterfaceRequest):
     raise Exception("InterfaceRequest fields not supported!")
   if kind.spec == 's':
     return "mojo::String"
   if kind.spec == 'h':
     return "mojo::ScopedHandle"
   if kind.spec == 'h:d:c':
     return "mojo::ScopedDataPipeConsumerHandle"
   if kind.spec == 'h:d:p':
     return "mojo::ScopedDataPipeProducerHandle"
@@ skipping 137 matching lines @@
 
   @UseJinja("cpp_templates/module.cc.tmpl", filters=cpp_filters)
   def GenerateModuleSource(self):
     return self.GetJinjaExports()
 
   def GenerateFiles(self, args):
     self.Write(self.GenerateModuleHeader(), "%s.h" % self.module.name)
     self.Write(self.GenerateModuleInternalHeader(),
         "%s-internal.h" % self.module.name)
     self.Write(self.GenerateModuleSource(), "%s.cc" % self.module.name)