Reify view ownership as a message pipe.

examples/ui/shapes/shapes_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 "examples/ui/shapes/shapes_view.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "third_party/skia/include/core/SkCanvas.h"
 #include "third_party/skia/include/core/SkColor.h"
 #include "third_party/skia/include/core/SkSurface.h"
 
 namespace examples {
 
 namespace {
 constexpr uint32_t kContentImageResourceId = 1;
 constexpr uint32_t kRootNodeId = mojo::gfx::composition::kSceneRootNodeId;
 }  // namespace
 
 ShapesView::ShapesView(
     mojo::ApplicationImpl* app_impl,
-    const mojo::ui::ViewProvider::CreateViewCallback& create_view_callback)
-    : GaneshView(app_impl, "Shapes", create_view_callback) {}
+    mojo::InterfaceRequest<mojo::ui::ViewOwner> view_owner_request)
+    : GaneshView(app_impl, view_owner_request.Pass(), "Shapes") {}
 
 ShapesView::~ShapesView() {}
 
 void ShapesView::OnLayout(mojo::ui::ViewLayoutParamsPtr layout_params,
                           mojo::Array<uint32_t> children_needing_layout,
                           const OnLayoutCallback& callback) {
   size_.width = layout_params->constraints->max_width;
   size_.height = layout_params->constraints->max_height;
 
   // Submit the new layout information.
@@ skipping 43 matching lines @@
   SkRect rect = SkRect::MakeWH(size_.width, size_.height);
   rect.inset(10, 10);
   canvas->drawRect(rect, paint);
 
   paint.setColor(SK_ColorRED);
   paint.setFlags(SkPaint::kAntiAlias_Flag);
   canvas->drawCircle(50, 100, 100, paint);
 }
 
 }  // namespace examples