Revert of Adding status to swap complete

ui/ozone/platform/drm/gpu/gbm_surface.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/gbm_surface.h"
 
 #include <gbm.h>
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "ui/ozone/platform/drm/gpu/drm_buffer.h"
 #include "ui/ozone/platform/drm/gpu/drm_window.h"
 #include "ui/ozone/platform/drm/gpu/gbm_buffer_base.h"
 #include "ui/ozone/platform/drm/gpu/gbm_device.h"
 #include "ui/ozone/platform/drm/gpu/hardware_display_controller.h"
 #include "ui/ozone/platform/drm/gpu/scanout_buffer.h"
 
 namespace ui {
 
 namespace {
 
-void DoNothing(gfx::SwapResult) {
-}
-
 class GbmSurfaceBuffer : public GbmBufferBase {
  public:
   static scoped_refptr<GbmSurfaceBuffer> CreateBuffer(
       const scoped_refptr<DrmDevice>& drm,
       gbm_bo* buffer);
   static scoped_refptr<GbmSurfaceBuffer> GetBuffer(gbm_bo* buffer);
 
  private:
   GbmSurfaceBuffer(const scoped_refptr<DrmDevice>& drm, gbm_bo* bo);
   ~GbmSurfaceBuffer() override;
@@ skipping 92 matching lines @@
 }
 
 bool GbmSurface::ResizeNativeWindow(const gfx::Size& viewport_size) {
   if (size_ == viewport_size)
     return true;
 
   return false;
 }
 
 bool GbmSurface::OnSwapBuffers() {
-  return OnSwapBuffersAsync(base::Bind(&DoNothing));
+  return OnSwapBuffersAsync(base::Bind(&base::DoNothing));
 }
 
 bool GbmSurface::OnSwapBuffersAsync(const SwapCompletionCallback& callback) {
   DCHECK(native_surface_);
 
   gbm_bo* pending_buffer = gbm_surface_lock_front_buffer(native_surface_);
   scoped_refptr<GbmSurfaceBuffer> primary =
       GbmSurfaceBuffer::GetBuffer(pending_buffer);
   if (!primary.get()) {
     primary = GbmSurfaceBuffer::CreateBuffer(gbm_, pending_buffer);
     if (!primary.get()) {
       LOG(ERROR) << "Failed to associate the buffer with the controller";
-      callback.Run(gfx::SwapResult::SWAP_FAILED);
+      callback.Run();
       return false;
     }
   }
 
   // The primary buffer is a special case.
   window_delegate_->QueueOverlayPlane(OverlayPlane(primary));
 
   if (!GbmSurfaceless::OnSwapBuffersAsync(
           base::Bind(&GbmSurface::OnSwapBuffersCallback,
                      weak_factory_.GetWeakPtr(), callback, pending_buffer))) {
-    callback.Run(gfx::SwapResult::SWAP_FAILED);
+    callback.Run();
     return false;
   }
 
   return true;
 }
 
 void GbmSurface::OnSwapBuffersCallback(const SwapCompletionCallback& callback,
-                                       gbm_bo* pending_buffer,
-                                       gfx::SwapResult result) {
+                                       gbm_bo* pending_buffer) {
   // If there was a frontbuffer, it is no longer active. Release it back to GBM.
   if (current_buffer_)
     gbm_surface_release_buffer(native_surface_, current_buffer_);
 
   current_buffer_ = pending_buffer;
-  callback.Run(result);
+  callback.Run();
 }
 
 }  // namespace ui