Move client_native_pixmap_factory.h from ui/ozone/public to ui/gfx

ui/ozone/public/client_native_pixmap_factory.cc

-// 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 "ui/ozone/public/client_native_pixmap_factory.h"
-
-#include "base/trace_event/trace_event.h"
-#include "ui/ozone/platform_object.h"
-#include "ui/ozone/platform_selection.h"
-
-namespace ui {
-
-namespace {
-
-ClientNativePixmapFactory* g_instance = nullptr;
-
-}  // namespace
-
-// static
-ClientNativePixmapFactory* ClientNativePixmapFactory::GetInstance() {
-  return g_instance;
-}
-
-// static
-void ClientNativePixmapFactory::SetInstance(
-    ClientNativePixmapFactory* instance) {
-  DCHECK(!g_instance);
-  DCHECK(instance);
-  g_instance = instance;
-}
-
-// static
-std::unique_ptr<ClientNativePixmapFactory> ClientNativePixmapFactory::Create() {
-  TRACE_EVENT1("ozone", "ClientNativePixmapFactory::Create", "platform",
-               GetOzonePlatformName());
-  return PlatformObject<ClientNativePixmapFactory>::Create();
-}
-
-ClientNativePixmapFactory::ClientNativePixmapFactory() {}
-
-ClientNativePixmapFactory::~ClientNativePixmapFactory() {}
-
-}  // namespace ui