Reify view ownership as a message pipe.

mojo/ui/ganesh_view.cc

 // Copyright 2014 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 "mojo/ui/ganesh_view.h"
 
 #include "base/logging.h"
 #include "mojo/skia/ganesh_texture_surface.h"
 #include "third_party/skia/include/core/SkCanvas.h"
 
 namespace mojo {
 namespace ui {
 
 GaneshView::GaneshView(
     mojo::ApplicationImpl* app_impl,
-    const std::string& label,
-    const mojo::ui::ViewProvider::CreateViewCallback& create_view_callback)
-    : BaseView(app_impl, label, create_view_callback),
+    mojo::InterfaceRequest<mojo::ui::ViewOwner> view_owner_request,
+    const std::string& label)
+    : BaseView(app_impl, view_owner_request.Pass(), label),
       gl_context_owner_(mojo::ApplicationConnectorPtr::Create(
                             app_impl->CreateApplicationConnector())
                             .get()),
       ganesh_context_(gl_context()),
       ganesh_renderer_(&ganesh_context_) {}
 
 GaneshView::~GaneshView() {}
 
 }  // namespace ui
 }  // namespace mojo