[Chromecast] Reuse the Aura window manager across receiver apps.

chromecast/graphics/cast_window_manager_default.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 "chromecast/graphics/cast_window_manager_default.h"
+
+#include "base/memory/ptr_util.h"
+
+namespace chromecast {
+
+// static
+std::unique_ptr<CastWindowManager> CastWindowManager::Create(
+    bool enable_input) {
+  return base::WrapUnique(new CastWindowManagerDefault());
+}
+
+CastWindowManagerDefault::CastWindowManagerDefault() {}
+
+CastWindowManagerDefault::~CastWindowManagerDefault() {}
+
+void CastWindowManagerDefault::TearDown() {}
+void CastWindowManagerDefault::AddWindow(gfx::NativeView window) {}
+
+}  // namespace chromecast