Mus Demo: Demonstrate external window mode

services/ui/demo/window_tree_data.cc

 // Copyright 2017 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/ui/demo/window_tree_data.h"
 
 #include "base/time/time.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "third_party/skia/include/core/SkCanvas.h"
 #include "third_party/skia/include/core/SkColor.h"
@@ skipping 41 matching lines @@
                       -SkFloatToScalar(canvas_size.height() * 0.5f));
   }
 
   canvas->drawRect(rect, paint);
 }
 
 }  // namespace
 
 WindowTreeData::WindowTreeData(int square_size) : square_size_(square_size) {}
 
+WindowTreeData::WindowTreeData(mojom::WindowTreeHostFactory* factory,
+                               mojom::WindowTreeClientPtr tree_client,
+                               int square_size)
+    : square_size_(square_size) {
+  factory->CreateWindowTreeHost(MakeRequest(&host_), std::move(tree_client));
+}
+
 WindowTreeData::~WindowTreeData() {}
 
 aura::Window* WindowTreeData::bitmap_window() {
   DCHECK(!window_tree_host_->window()->children().empty());
   return window_tree_host_->window()->children()[0];
 }
 
 void WindowTreeData::Init(
     std::unique_ptr<aura::WindowTreeHostMus> window_tree_host) {
   window_tree_host->InitHost();
@@ skipping 40 matching lines @@
   gfx::ImageSkiaRep image_skia_rep(bitmap, 1);
   gfx::ImageSkia image_skia(image_skia_rep);
   gfx::Image image(image_skia);
 
   window_delegate_->SetImage(image);
   bitmap_window()->SchedulePaintInRect(gfx::Rect(bounds.size()));
 }
 
 }  // namespace demo
 }  // namespace ui