Stub out ScreenManagerOzoneExternal

services/ui/display/screen_manager_stub_internal.cc

-// 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 "services/ui/display/screen_manager_stub_internal.h"
-
-#include <memory>
-
-#include "base/bind.h"
-#include "base/location.h"
-#include "base/memory/ptr_util.h"
-#include "base/threading/thread_task_runner_handle.h"
-#include "services/service_manager/public/cpp/interface_registry.h"
-#include "ui/display/display.h"
-#include "ui/gfx/geometry/rect.h"
-#include "ui/gfx/geometry/size.h"
-
-namespace display {
-namespace {
-
-// Build a ViewportMetric for a 1024x768 display.
-ViewportMetrics DefaultViewportMetrics() {
-  ViewportMetrics metrics;
-
-  metrics.device_scale_factor = 1.0f;
-  if (Display::HasForceDeviceScaleFactor())
-    metrics.device_scale_factor = Display::GetForcedDeviceScaleFactor();
-
-  metrics.pixel_size = gfx::Size(1024, 768);
-  gfx::Size scaled_size = gfx::ScaleToRoundedSize(
-      metrics.pixel_size, 1.0f / metrics.device_scale_factor);
-
-  metrics.bounds = gfx::Rect(scaled_size);
-  metrics.work_area = gfx::Rect(scaled_size);
-
-  return metrics;
-}
-
-}  // namespace
-
-// static
-std::unique_ptr<ScreenManager> ScreenManager::Create() {
-  return base::MakeUnique<ScreenManagerStubInternal>();
-}
-
-ScreenManagerStubInternal::ScreenManagerStubInternal()
-    : weak_ptr_factory_(this) {}
-
-ScreenManagerStubInternal::~ScreenManagerStubInternal() {}
-
-void ScreenManagerStubInternal::FixedSizeScreenConfiguration() {
-  delegate_->OnDisplayAdded(display_id_, display_metrics_);
-}
-
-void ScreenManagerStubInternal::AddInterfaces(
-    service_manager::InterfaceRegistry* registry) {}
-
-void ScreenManagerStubInternal::Init(ScreenManagerDelegate* delegate) {
-  DCHECK(delegate);
-  delegate_ = delegate;
-  display_metrics_ = DefaultViewportMetrics();
-  base::ThreadTaskRunnerHandle::Get()->PostTask(
-      FROM_HERE,
-      base::Bind(&ScreenManagerStubInternal::FixedSizeScreenConfiguration,
-                 weak_ptr_factory_.GetWeakPtr()));
-}
-
-void ScreenManagerStubInternal::RequestCloseDisplay(int64_t display_id) {
-  if (display_id == display_id_) {
-    base::ThreadTaskRunnerHandle::Get()->PostTask(
-        FROM_HERE, base::Bind(&ScreenManagerDelegate::OnDisplayRemoved,
-                              base::Unretained(delegate_), display_id));
-  }
-}
-
-int64_t ScreenManagerStubInternal::GetPrimaryDisplayId() const {
-  return display_id_;
-}
-
-}  // namespace display