Reify view ownership as a message pipe.

mojo/ui/gl_view.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 "mojo/ui/gl_view.h"
 
 #include "base/logging.h"
 
 namespace mojo {
 namespace ui {
 
-GLView::GLView(
-    mojo::ApplicationImpl* app_impl,
-    const std::string& label,
-    const mojo::ui::ViewProvider::CreateViewCallback& create_view_callback)
-    : BaseView(app_impl, label, create_view_callback),
+GLView::GLView(mojo::ApplicationImpl* app_impl,
+               mojo::InterfaceRequest<mojo::ui::ViewOwner> view_owner_request,
+               const std::string& label)
+    : BaseView(app_impl, view_owner_request.Pass(), label),
       gl_context_owner_(ApplicationConnectorPtr::Create(
                             app_impl->CreateApplicationConnector())
                             .get()),
       gl_renderer_(gl_context_owner_.context()) {}
 
 GLView::~GLView() {}
 
 }  // namespace ui
 }  // namespace mojo