Adding status to swap complete

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

Index: ui/ozone/platform/drm/gpu/gbm_surface.cc
diff --git a/ui/ozone/platform/drm/gpu/gbm_surface.cc b/ui/ozone/platform/drm/gpu/gbm_surface.cc
index 80c84f98b73cad5e78a75f5dfac7a74cf7b2cf23..dfdd168b160d87bdde832a6286960a84442d6d0d 100644
--- a/ui/ozone/platform/drm/gpu/gbm_surface.cc
+++ b/ui/ozone/platform/drm/gpu/gbm_surface.cc
@@ -19,6 +19,9 @@ namespace ui {
 
 namespace {
 
+void DoNothing(int) {
+}
+
 class GbmSurfaceBuffer : public GbmBufferBase {
  public:
   static scoped_refptr<GbmSurfaceBuffer> CreateBuffer(
@@ -131,7 +134,7 @@ bool GbmSurface::ResizeNativeWindow(const gfx::Size& viewport_size) {
 }
 
 bool GbmSurface::OnSwapBuffers() {
-  return OnSwapBuffersAsync(base::Bind(&base::DoNothing));
+  return OnSwapBuffersAsync(base::Bind(&DoNothing));
 }
 
 bool GbmSurface::OnSwapBuffersAsync(const SwapCompletionCallback& callback) {
@@ -144,7 +147,7 @@ bool GbmSurface::OnSwapBuffersAsync(const SwapCompletionCallback& callback) {
     primary = GbmSurfaceBuffer::CreateBuffer(gbm_, pending_buffer);
     if (!primary.get()) {
       LOG(ERROR) << "Failed to associate the buffer with the controller";
-      callback.Run();
+      callback.Run(gfx::SwapFailed);
       return false;
     }
   }
@@ -156,7 +159,7 @@ bool GbmSurface::OnSwapBuffersAsync(const SwapCompletionCallback& callback) {
   if (!GbmSurfaceless::OnSwapBuffersAsync(
           base::Bind(&GbmSurface::OnSwapBuffersCallback,
                      weak_factory_.GetWeakPtr(), callback, pending_buffer))) {
-    callback.Run();
+    callback.Run(gfx::SwapFailed);
     return false;
   }
 
@@ -164,13 +167,14 @@ bool GbmSurface::OnSwapBuffersAsync(const SwapCompletionCallback& callback) {
 }
 
 void GbmSurface::OnSwapBuffersCallback(const SwapCompletionCallback& callback,
-                                       gbm_bo* pending_buffer) {
+                                       gbm_bo* pending_buffer,
+                                       int result) {
   // If there was a frontbuffer, it is no longer active.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();
+  callback.Run(result);
 }
 
 }  // namespace ui