Removed DCHECK.

content/common/gpu/image_transport_surface_win.cc

Index: content/common/gpu/image_transport_surface_win.cc
diff --git a/content/common/gpu/image_transport_surface_win.cc b/content/common/gpu/image_transport_surface_win.cc
index 9777e2727375131aec70645f10566fc662ccbc6f..fe63eb279666359a1a524cf1f549135ba456913b 100644
--- a/content/common/gpu/image_transport_surface_win.cc
+++ b/content/common/gpu/image_transport_surface_win.cc
@@ -118,7 +118,6 @@ bool PbufferImageTransportSurface::DeferDraws() {
   // IOSurface in use by an earlier SwapBuffers. If a Swap is pending, abort
   // processing of the command by returning true and unschedule until the Swap
   // Ack arrives.
-  DCHECK(!did_unschedule_);

[jbates, 2012/09/10 22:54:45]

If this happens then we need to make a slight change. Please replace the DCHECK
with:
if (did_unschedule_)
  return true;

[Vitaly Buka (NO REVIEWS), 2012/09/10 22:59:51]

Done.

   if (is_swap_buffers_pending_) {
     did_unschedule_ = true;
     helper_->SetScheduled(false);