Refactor SkyShell to allow multiple SkyViews

sky/shell/instance.cc

Index: sky/shell/instance.cc
diff --git a/sky/shell/instance.cc b/sky/shell/instance.cc
new file mode 100644
index 0000000000000000000000000000000000000000..bd2d2c962e6a006b9c4bb723b6835f9e86dd7122
--- /dev/null
+++ b/sky/shell/instance.cc
@@ -0,0 +1,43 @@
+// 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 "sky/shell/instance.h"
+
+#include "base/bind.h"
+#include "base/single_thread_task_runner.h"
+#include "sky/shell/gpu/rasterizer.h"
+#include "sky/shell/platform_view.h"
+#include "sky/shell/shell.h"
+#include "sky/shell/ui/engine.h"
+
+namespace sky {
+namespace shell {
+
+Instance::Instance(Shell& shell)
+    : shell_(shell) {
+  rasterizer_.reset(new Rasterizer());
+  CreateEngine();
+  CreateView();
+}
+
+Instance::~Instance() {
+}
+
+void Instance::CreateEngine() {
+  Engine::Config config;
+  config.service_provider_context = shell_.service_provider_context();
+  config.gpu_task_runner = shell_.gpu_task_runner();
+  config.gpu_delegate = rasterizer_->GetWeakPtr();
+  engine_.reset(new Engine(config));
+}
+
+void Instance::CreateView() {
+  PlatformView::Config config;
+  config.ui_task_runner = shell_.ui_task_runner();
+  config.ui_delegate = engine_->GetWeakPtr();
+  view_.reset(PlatformView::Create(config));
+}
+
+}  // namespace shell
+}  // namespace sky