Remove LatencyInfo::sequence_number. (May break metrics).

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 105 matching lines @@
   BeginFrameAck ack = frame.metadata.begin_frame_ack;
   DCHECK_LE(BeginFrameArgs::kStartingFrameNumber, ack.sequence_number);
 
   if (!ui::LatencyInfo::Verify(frame.metadata.latency_info,
                                "RenderWidgetHostImpl::OnSwapCompositorFrame")) {
     std::vector<ui::LatencyInfo>().swap(frame.metadata.latency_info);
   }
   for (ui::LatencyInfo& latency : frame.metadata.latency_info) {
     if (latency.latency_components().size() > 0) {
       latency.AddLatencyNumber(ui::DISPLAY_COMPOSITOR_RECEIVED_FRAME_COMPONENT,
-                               0, 0);
+                               0);
     }
   }
 
   std::unique_ptr<Surface> surface;
   bool create_new_surface =
       (!current_surface_ ||
        local_surface_id != current_surface_->surface_id().local_surface_id());
   if (!create_new_surface) {
     surface = std::move(current_surface_);
   } else {
@@ skipping 224 matching lines @@
 
   DCHECK(current_surface_->compositor_frame_sink_support().get() == this);
   current_surface_->RequestCopyOfOutput(std::move(copy_request));
   BeginFrameAck ack;
   ack.has_damage = true;
   if (current_surface_->HasActiveFrame())
     surface_manager_->SurfaceModified(current_surface_->surface_id(), ack);
 }
 
 }  // namespace cc