Ozone integration.

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

+// 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/page_flip_request.h"
+
+namespace ui {
+
+PageFlipRequest::PageFlipRequest(int crtc_count,
+                                 const SwapCompletionCallback& callback)
+    : callback_(callback), crtc_count_(crtc_count) {
+}
+
+PageFlipRequest::~PageFlipRequest() {
+}
+
+void PageFlipRequest::Signal(gfx::SwapResult result) {
+  if (result == gfx::SwapResult::SWAP_FAILED)
+    result_ = gfx::SwapResult::SWAP_FAILED;
+  else if (result != gfx::SwapResult::SWAP_ACK)
+    result_ = result;
+
+  if (!--crtc_count_) {
+    callback_.Run(result_);
+    callback_.Reset();
+  }
+}
+
+}  // namespace ui