Basic display management for mus

components/mus/ws/platform_screen_impl.cc

Index: components/mus/ws/platform_screen_impl.cc
diff --git a/components/mus/ws/platform_screen_impl.cc b/components/mus/ws/platform_screen_impl.cc
new file mode 100644
index 0000000000000000000000000000000000000000..4d05d38eb6e7e9f688a13d099e041fed0db03505
--- /dev/null
+++ b/components/mus/ws/platform_screen_impl.cc
@@ -0,0 +1,43 @@
+// Copyright 2016 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 "components/mus/ws/platform_screen_impl.h"
+
+#include "base/bind.h"
+#include "base/location.h"
+#include "base/memory/ptr_util.h"
+#include "base/thread_task_runner_handle.h"
+#include "ui/gfx/geometry/rect.h"
+
+namespace mus {
+
+namespace ws {
+namespace {
+
+void FixedSizeScreenConfiguration(
+    const PlatformScreen::ConfiguredDisplayCallback& callback) {
+  callback.Run(1, gfx::Rect(1024, 768));
+}
+
+}  // namespace
+
+// static
+std::unique_ptr<PlatformScreen> PlatformScreen::Create() {
+  return base::WrapUnique(new PlatformScreenImpl);
+}
+
+PlatformScreenImpl::PlatformScreenImpl() {}
+
+PlatformScreenImpl::~PlatformScreenImpl() {}
+
+void PlatformScreenImpl::Init() {}
+
+void PlatformScreenImpl::ConfigurePhysicalDisplay(
+    const PlatformScreen::ConfiguredDisplayCallback& callback) {
+  base::ThreadTaskRunnerHandle::Get()->PostTask(
+      FROM_HERE, base::Bind(&FixedSizeScreenConfiguration, callback));
+}
+
+}  // namespace ws
+}  // namespace mus