Call OnSwapBuffersComplete at the end of each frame

cc/output/software_renderer.cc

 // Copyright 2012 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/output/software_renderer.h"
 
 #include "base/debug/trace_event.h"
 #include "cc/base/math_util.h"
 #include "cc/output/compositor_frame.h"
 #include "cc/output/compositor_frame_ack.h"
@@ skipping 50 matching lines @@
     current_canvas_(NULL) {
   if (resource_provider_) {
     capabilities_.max_texture_size = resource_provider_->max_texture_size();
     capabilities_.best_texture_format =
         resource_provider_->best_texture_format();
   }
   capabilities_.using_set_visibility = true;
   // The updater can access bitmaps while the SoftwareRenderer is using them.
   capabilities_.allow_partial_texture_updates = true;
   capabilities_.using_partial_swap = true;
-  if (Settings().compositor_frame_message && client_->HasImplThread())
+  if (client_->HasImplThread())
     capabilities_.using_swap_complete_callback = true;
   compositor_frame_.software_frame_data.reset(new SoftwareFrameData());
 }
 
 SoftwareRenderer::~SoftwareRenderer() {}
 
 const RendererCapabilities& SoftwareRenderer::Capabilities() const {
   return capabilities_;
 }
 
@@ skipping 18 matching lines @@
   root_canvas_ = NULL;
   if (Settings().compositor_frame_message) {
     compositor_frame_.metadata = client_->MakeCompositorFrameMetadata();
     output_device_->EndPaint(compositor_frame_.software_frame_data.get());
   } else {
     output_device_->EndPaint(NULL);
   }
 }
 
 void SoftwareRenderer::SwapBuffers(const ui::LatencyInfo& latency_info) {
-  if (Settings().compositor_frame_message)
+  if (Settings().compositor_frame_message) {
     output_surface_->SendFrameToParentCompositor(&compositor_frame_);
+  } else {
+    output_surface_->SwapBuffers(latency_info);
+  }
 }
 
 void SoftwareRenderer::ReceiveCompositorFrameAck(
     const CompositorFrameAck& ack) {
   output_device_->ReclaimDIB(ack.last_dib_id);
 }
 
 bool SoftwareRenderer::FlippedFramebuffer() const {
   return false;
 }
@@ skipping 336 matching lines @@
                              4 * rect.width());
 }
 
 void SoftwareRenderer::SetVisible(bool visible) {
   if (visible_ == visible)
     return;
   visible_ = visible;
 }
 
 }  // namespace cc