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content/browser/compositor/gpu_vsync_begin_frame_source.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 "content/browser/compositor/gpu_vsync_begin_frame_source.h"
 
 namespace content {
 
 GpuVSyncBeginFrameSource::GpuVSyncBeginFrameSource(
     GpuVSyncControl* vsync_control)
@@ skipping 12 matching lines @@
     return;
 
   base::TimeTicks now = base::TimeTicks::Now();
   base::TimeTicks deadline = now.SnappedToNextTick(timestamp, interval);
 
   TRACE_EVENT1("cc", "GpuVSyncBeginFrameSource::OnVSync", "latency",
                (now - timestamp).ToInternalValue());
 
   next_sequence_number_++;
   OnBeginFrame(cc::BeginFrameArgs::Create(
-      BEGINFRAME_FROM_HERE, source_id(), next_sequence_number_, timestamp,
-      deadline, interval, cc::BeginFrameArgs::NORMAL));
+      BEGINFRAME_FROM_HERE, source_id(), next_sequence_number_,
+      cc::BeginFrameArgs::kDefaultSourceFrameNumber, timestamp, deadline,
+      interval, cc::BeginFrameArgs::NORMAL));
 }
 
 void GpuVSyncBeginFrameSource::OnNeedsBeginFrames(bool needs_begin_frames) {
   needs_begin_frames_ = needs_begin_frames;
   vsync_control_->SetNeedsVSync(needs_begin_frames);
 }
 
 void GpuVSyncBeginFrameSource::OnDidFinishFrame(const cc::BeginFrameAck& ack) {}
 
 }  // namespace content