[Ozone-DRI] Listen for swap events

ui/ozone/platform/dri/dri_surface.cc

Index: ui/ozone/platform/dri/dri_surface.cc
diff --git a/ui/ozone/platform/dri/dri_surface.cc b/ui/ozone/platform/dri/dri_surface.cc
index 66416ab48c0240ad0981a6f7ee39154101b2d238..eef794ebc841c2f4123262e71b35901fcbbea86e 100644
--- a/ui/ozone/platform/dri/dri_surface.cc
+++ b/ui/ozone/platform/dri/dri_surface.cc
@@ -4,6 +4,7 @@
 
 #include "ui/ozone/platform/dri/dri_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"
@@ -73,8 +74,7 @@ void DriSurface::PresentCanvas(const gfx::Rect& damage) {
   controller->QueueOverlayPlane(OverlayPlane(buffers_[front_buffer_ ^ 1]));
 
   UpdateNativeSurface(damage);
-  controller->SchedulePageFlip();
-  controller->WaitForPageFlipEvent();
+  controller->SchedulePageFlip(base::Bind(&base::DoNothing));
 
   // Update our front buffer pointer.
   front_buffer_ ^= 1;