Implement DRM Native Pixmap using prime buffer

ui/ozone/platform/wayland/ozone_platform_wayland.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/wayland/ozone_platform_wayland.h"
 
 #include "ui/ozone/common/native_display_delegate_ozone.h"
 #include "ui/ozone/common/stub_overlay_manager.h"
 #include "ui/ozone/platform/wayland/wayland_display.h"
 #include "ui/ozone/platform/wayland/wayland_surface_factory.h"
@@ skipping 50 matching lines @@
         make_scoped_ptr(new WaylandWindow(delegate, display_.get(), bounds));
     if (!window->Initialize())
       return nullptr;
     return std::move(window);
   }
 
   scoped_ptr<NativeDisplayDelegate> CreateNativeDisplayDelegate() override {
     return make_scoped_ptr(new NativeDisplayDelegateOzone);
   }
 
-  base::ScopedFD OpenClientNativePixmapDevice() const override {
-    NOTIMPLEMENTED();
-    return base::ScopedFD();
-  }
-
   void InitializeUI() override {
     display_.reset(new WaylandDisplay);
     if (!display_->Initialize())
       LOG(FATAL) << "Failed to initialize Wayland platform";
 
     cursor_factory_.reset(new CursorFactoryOzone);
     overlay_manager_.reset(new StubOverlayManager);
     input_controller_ = CreateStubInputController();
     surface_factory_.reset(new WaylandSurfaceFactory(display_.get()));
     gpu_platform_support_host_.reset(CreateStubGpuPlatformSupportHost());
@@ skipping 19 matching lines @@
   DISALLOW_COPY_AND_ASSIGN(OzonePlatformWayland);
 };
 
 }  // namespace
 
 OzonePlatform* CreateOzonePlatformWayland() {
   return new OzonePlatformWayland;
 }
 
 }  // namespace ui