Remove some InterfacePtr<> methods which directly deal with message pipe handles.

services/surfaces/display_impl.cc

 // Copyright 2015 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 "services/surfaces/display_impl.h"
 
 #include "cc/output/compositor_frame.h"
 #include "cc/surfaces/display.h"
 #include "mojo/converters/geometry/geometry_type_converters.h"
 #include "mojo/converters/surfaces/surfaces_type_converters.h"
@@ skipping 30 matching lines @@
   factory_.Create(cc_id_);
 }
 
 void DisplayImpl::OnContextCreated(mojo::CommandBufferPtr gles2_client) {
   DCHECK(!display_);
 
   cc::RendererSettings settings;
   display_.reset(new cc::Display(this, manager_, nullptr, nullptr, settings));
   scheduler_->AddDisplay(display_.get());
   display_->Initialize(make_scoped_ptr(new mojo::DirectOutputSurface(
-      new mojo::ContextProviderMojo(gles2_client.PassMessagePipe()))));
+      new mojo::ContextProviderMojo(
+          gles2_client.PassInterface().PassHandle()))));
   display_->Resize(last_submitted_frame_size_);
 
   display_->SetSurfaceId(cc_id_, 1.f);
   if (pending_frame_)
     Draw();
 }
 
 DisplayImpl::~DisplayImpl() {
   if (display_) {
     factory_.Destroy(cc_id_);
@@ skipping 65 matching lines @@
   DCHECK(returner_);
 
   mojo::Array<mojo::ReturnedResourcePtr> ret(resources.size());
   for (size_t i = 0; i < resources.size(); ++i) {
     ret[i] = mojo::ReturnedResource::From(resources[i]);
   }
   returner_->ReturnResources(ret.Pass());
 }
 
 }  // namespace surfaces