Add FakeDisplayDelegate for off device usage.

ui/ozone/platform/x11/native_display_delegate_ozone_x11.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 "ui/ozone/platform/x11/native_display_delegate_ozone_x11.h"
-
-#include "base/logging.h"
-#include "base/memory/ptr_util.h"
-#include "ui/display/types/native_display_observer.h"
-#include "ui/ozone/common/display_snapshot_proxy.h"
-#include "ui/ozone/common/display_util.h"
-
-namespace ui {
-
-namespace {
-
-void GetDefaultDisplaySnapshotParams(DisplaySnapshot_Params* params) {
-  DisplayMode_Params mode_param;
-  mode_param.size = gfx::Size(1024, 768);
-  mode_param.refresh_rate = 60;
-
-  params->display_id = 1;
-  params->modes.push_back(mode_param);
-  params->type = DISPLAY_CONNECTION_TYPE_INTERNAL;
-  params->physical_size = gfx::Size(0, 0);
-  params->has_current_mode = true;
-  params->current_mode = mode_param;
-  params->has_native_mode = true;
-  params->native_mode = mode_param;
-  params->product_id = 1;
-}
-
-}  // namespace
-
-NativeDisplayDelegateOzoneX11::NativeDisplayDelegateOzoneX11() {}
-
-NativeDisplayDelegateOzoneX11::~NativeDisplayDelegateOzoneX11() {}
-
-void NativeDisplayDelegateOzoneX11::OnConfigurationChanged() {
-  // TODO(kylechar): Listen for X11 window resizes to trigger this.
-  FOR_EACH_OBSERVER(NativeDisplayObserver, observers_,
-                    OnConfigurationChanged());
-}
-
-void NativeDisplayDelegateOzoneX11::Initialize() {
-  // Create display snapshot from command line or use default values.
-  DisplaySnapshot_Params params;
-  if (!CreateSnapshotFromCommandLine(&params))
-    GetDefaultDisplaySnapshotParams(&params);
-
-  DCHECK_NE(DISPLAY_CONNECTION_TYPE_NONE, params.type);
-  displays().push_back(base::WrapUnique(new DisplaySnapshotProxy(params)));
-}
-
-void NativeDisplayDelegateOzoneX11::AddObserver(
-    NativeDisplayObserver* observer) {
-  observers_.AddObserver(observer);
-}
-
-void NativeDisplayDelegateOzoneX11::RemoveObserver(
-    NativeDisplayObserver* observer) {
-  observers_.RemoveObserver(observer);
-}
-
-}  // namespace ui