ozone: Remove the "drm" software composited platform

ui/ozone/platform/drm/gpu/drm_surface.cc

Index: ui/ozone/platform/drm/gpu/drm_surface.cc
diff --git a/ui/ozone/platform/drm/gpu/drm_surface.cc b/ui/ozone/platform/drm/gpu/drm_surface.cc
deleted file mode 100644
index 8d58d5978ca784baa2a42f75fe3884b229d75c0c..0000000000000000000000000000000000000000
--- a/ui/ozone/platform/drm/gpu/drm_surface.cc
+++ /dev/null
@@ -1,120 +0,0 @@
-// Copyright 2014 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/drm/gpu/drm_surface.h"
-
-#include "base/bind_helpers.h"
-#include "base/logging.h"
-#include "base/message_loop/message_loop.h"
-#include "third_party/skia/include/core/SkCanvas.h"
-#include "third_party/skia/include/core/SkSurface.h"
-#include "ui/gfx/geometry/rect.h"
-#include "ui/gfx/skia_util.h"
-#include "ui/ozone/platform/drm/gpu/drm_buffer.h"
-#include "ui/ozone/platform/drm/gpu/drm_device.h"
-#include "ui/ozone/platform/drm/gpu/drm_vsync_provider.h"
-#include "ui/ozone/platform/drm/gpu/drm_window.h"
-#include "ui/ozone/platform/drm/gpu/hardware_display_controller.h"
-
-namespace ui {
-
-namespace {
-
-scoped_refptr<DrmBuffer> AllocateBuffer(const scoped_refptr<DrmDevice>& drm,
-                                        const gfx::Size& size) {
-  scoped_refptr<DrmBuffer> buffer(new DrmBuffer(drm));
-  SkImageInfo info = SkImageInfo::MakeN32Premul(size.width(), size.height());
-
-  bool initialized =
-      buffer->Initialize(info, true /* should_register_framebuffer */);
-  DCHECK(initialized) << "Failed to create drm buffer.";
-
-  return buffer;
-}
-
-}  // namespace
-
-DrmSurface::DrmSurface(DrmWindow* window)
-    : window_(window), weak_ptr_factory_(this) {
-}
-
-DrmSurface::~DrmSurface() {
-}
-
-skia::RefPtr<SkSurface> DrmSurface::GetSurface() {
-  return surface_;
-}
-
-void DrmSurface::ResizeCanvas(const gfx::Size& viewport_size) {
-  SkImageInfo info = SkImageInfo::MakeN32(
-      viewport_size.width(), viewport_size.height(), kOpaque_SkAlphaType);
-  surface_ = skia::AdoptRef(SkSurface::NewRaster(info));
-
-  HardwareDisplayController* controller = window_->GetController();
-  if (!controller)
-    return;
-
-  // For the display buffers use the mode size since a |viewport_size| smaller
-  // than the display size will not scanout.
-  front_buffer_ = AllocateBuffer(controller->GetAllocationDrmDevice(),
-                                 controller->GetModeSize());
-  back_buffer_ = AllocateBuffer(controller->GetAllocationDrmDevice(),
-                                controller->GetModeSize());
-}
-
-void DrmSurface::PresentCanvas(const gfx::Rect& damage) {
-  DCHECK(base::MessageLoopForUI::IsCurrent());
-
-  // Create a snapshot of the requested drawing. If we get here again before
-  // presenting, just add the additional damage.
-  pending_image_damage_.Union(damage);
-  pending_image_ = skia::AdoptRef(surface_->newImageSnapshot());
-
-  if (!pending_pageflip_)
-    SchedulePageFlip();
-}
-
-scoped_ptr<gfx::VSyncProvider> DrmSurface::CreateVSyncProvider() {
-  return make_scoped_ptr(new DrmVSyncProvider(window_));
-}
-
-void DrmSurface::SchedulePageFlip() {
-  DCHECK(back_buffer_);
-  SkCanvas* canvas = back_buffer_->GetCanvas();
-
-  // The DrmSurface is double buffered, so the current back buffer is
-  // missing the previous update. Expand damage region.
-  SkRect real_damage =
-      RectToSkRect(UnionRects(pending_image_damage_, last_damage_));
-
-  // Copy damage region.
-  canvas->drawImageRect(pending_image_.get(), real_damage, real_damage, NULL);
-  last_damage_ = pending_image_damage_;
-
-  pending_image_ = nullptr;
-  pending_image_damage_ = gfx::Rect();
-
-  window_->QueueOverlayPlane(OverlayPlane(back_buffer_));
-
-  // Update our front buffer pointer.
-  std::swap(front_buffer_, back_buffer_);
-  // First set the pending flag otherwise there could be a re-entrancy issue if
-  // the callback is executed synchronously.
-  pending_pageflip_ = true;
-  if (!window_->SchedulePageFlip(false /* is_sync */,
-                                 base::Bind(&DrmSurface::OnPageFlip,
-                                            weak_ptr_factory_.GetWeakPtr()))) {
-    pending_pageflip_ = false;
-  }
-}
-
-void DrmSurface::OnPageFlip(gfx::SwapResult result) {
-  pending_pageflip_ = false;
-  if (!pending_image_)
-    return;
-
-  SchedulePageFlip();
-}
-
-}  // namespace ui