Don't submit frames with no render passes in cc tests

cc/surfaces/compositor_frame_sink_support.cc

 // Copyright 2016 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 "cc/surfaces/compositor_frame_sink_support.h"
 
 #include <algorithm>
 #include <utility>
 
 #include "cc/output/compositor_frame.h"
@@ skipping 102 matching lines @@
   // |has_damage| is not transmitted, but false by default.
   DCHECK(!ack.has_damage);
   if (begin_frame_source_)
     begin_frame_source_->DidFinishFrame(this, ack);
 }
 
 void CompositorFrameSinkSupport::SubmitCompositorFrame(
     const LocalSurfaceId& local_surface_id,
     CompositorFrame frame) {
   DCHECK(surface_factory_);
-  ++ack_pending_count_;
-
   DCHECK_GE(frame.metadata.begin_frame_ack.sequence_number,
             BeginFrameArgs::kStartingFrameNumber);
+  DCHECK(!frame.render_pass_list.empty());
+
+  ++ack_pending_count_;
 
   // |has_damage| is not transmitted.
   frame.metadata.begin_frame_ack.has_damage = true;
 
   BeginFrameAck ack = frame.metadata.begin_frame_ack;
   surface_factory_->SubmitCompositorFrame(
       local_surface_id, std::move(frame),
       base::Bind(&CompositorFrameSinkSupport::DidReceiveCompositorFrameAck,
                  weak_factory_.GetWeakPtr()),
       base::BindRepeating(&CompositorFrameSinkSupport::WillDrawSurface,
@@ skipping 125 matching lines @@
     begin_frame_source_->RemoveObserver(this);
 }
 
 void CompositorFrameSinkSupport::RequestCopyOfSurface(
     std::unique_ptr<CopyOutputRequest> request) {
   DCHECK(surface_factory_);
   surface_factory_->RequestCopyOfSurface(std::move(request));
 }
 
 }  // namespace cc