Adding status to swap complete

ui/gfx/swap_result.h

 // Copyright (c) 2012 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/gfx/screen.h"
-
-#include "base/logging.h"
+#ifndef UI_GFX_SWAP_RESULT_H_
+#define UI_GFX_SWAP_RESULT_H_
 
 namespace gfx {
 
-Screen* CreateNativeScreen() {
-  NOTREACHED() << "Implementation should be installed at higher level.";
-  return NULL;
-}
+enum class SwapResult {
+  SWAP_ACK,
+  SWAP_FAILED,
+  SWAP_NAK_RECREATE_BUFFERS,
+  SWAP_RESULT_LAST,

[piman, 2015/05/14 23:09:57]

Oh, This needs to be SWAP_RESULT_LAST = SWAP_NAK_RECREATE_BUFFERS

[achaulk, 2015/05/15 18:13:38]

Ah thanks, I wasn't sure if these were supposed to be last element or count of
elements. I'll fix that

+};
 
 }  // namespace gfx
+
+#endif  // UI_GFX_SWAP_RESULT_H_