Add the UI compositor to the Mac build

content/browser/aura/software_output_device_ozone.cc

-// Copyright 2013 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 "content/browser/aura/software_output_device_ozone.h"
-#include "third_party/skia/include/core/SkBitmapDevice.h"
-#include "third_party/skia/include/core/SkDevice.h"
-#include "ui/compositor/compositor.h"
-#include "ui/gfx/ozone/surface_factory_ozone.h"
-#include "ui/gfx/skia_util.h"
-#include "ui/gfx/vsync_provider.h"
-
-namespace content {
-
-SoftwareOutputDeviceOzone::SoftwareOutputDeviceOzone(ui::Compositor* compositor)
-    : compositor_(compositor), realized_widget_(gfx::kNullAcceleratedWidget) {
-  gfx::SurfaceFactoryOzone* factory = gfx::SurfaceFactoryOzone::GetInstance();
-
-  if (factory->InitializeHardware() != gfx::SurfaceFactoryOzone::INITIALIZED)
-    LOG(FATAL) << "Failed to initialize hardware in OZONE";
-
-  realized_widget_ = factory->RealizeAcceleratedWidget(compositor_->widget());
-
-  if (realized_widget_ == gfx::kNullAcceleratedWidget)
-    LOG(FATAL) << "Failed to get a realized AcceleratedWidget";
-
-  vsync_provider_ = factory->CreateVSyncProvider(realized_widget_);
-}
-
-SoftwareOutputDeviceOzone::~SoftwareOutputDeviceOzone() {
-}
-
-void SoftwareOutputDeviceOzone::Resize(gfx::Size viewport_size) {
-  if (viewport_size_ == viewport_size)
-    return;
-
-  viewport_size_ = viewport_size;
-  gfx::Rect bounds(viewport_size_);
-
-  gfx::SurfaceFactoryOzone* factory = gfx::SurfaceFactoryOzone::GetInstance();
-  factory->AttemptToResizeAcceleratedWidget(compositor_->widget(),
-                                            bounds);
-
-  canvas_ = skia::SharePtr(factory->GetCanvasForWidget(realized_widget_));
-  device_ = skia::SharePtr(canvas_->getDevice());
-}
-
-SkCanvas* SoftwareOutputDeviceOzone::BeginPaint(const gfx::Rect& damage_rect) {
-  DCHECK(gfx::Rect(viewport_size_).Contains(damage_rect));
-
-  canvas_->clipRect(gfx::RectToSkRect(damage_rect), SkRegion::kReplace_Op);
-  // Save the current state so we can restore once we're done drawing. This is
-  // saved after the clip since we want to keep the clip information after we're
-  // done drawing such that OZONE knows what was updated.
-  canvas_->save();
-
-  return SoftwareOutputDevice::BeginPaint(damage_rect);
-}
-
-void SoftwareOutputDeviceOzone::EndPaint(cc::SoftwareFrameData* frame_data) {
-  SoftwareOutputDevice::EndPaint(frame_data);
-
-  canvas_->restore();
-
-  if (damage_rect_.IsEmpty())
-    return;
-
-  bool scheduled = gfx::SurfaceFactoryOzone::GetInstance()->SchedulePageFlip(
-      compositor_->widget());
-  DCHECK(scheduled) << "Failed to schedule pageflip";
-}
-
-}  // namespace content