Surface Synchronization: Distinguish between dependencies and references

content/renderer/gpu/render_widget_compositor.cc

 // Copyright (c) 2013 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/renderer/gpu/render_widget_compositor.h"
 
 #include <stddef.h>
 
 #include <cmath>
 #include <limits>
@@ skipping 351 matching lines @@
       cmd.HasSwitch(switches::kShowPaintRects);
   settings.initial_debug_state.show_property_changed_rects =
       cmd.HasSwitch(cc::switches::kShowPropertyChangedRects);
   settings.initial_debug_state.show_surface_damage_rects =
       cmd.HasSwitch(cc::switches::kShowSurfaceDamageRects);
   settings.initial_debug_state.show_screen_space_rects =
       cmd.HasSwitch(cc::switches::kShowScreenSpaceRects);
 
   settings.initial_debug_state.SetRecordRenderingStats(
       cmd.HasSwitch(cc::switches::kEnableGpuBenchmarking));
-  settings.needs_valid_local_surface_id =
+  settings.enable_surface_synchronization =
       cmd.HasSwitch(cc::switches::kEnableSurfaceSynchronization);
 
   if (cmd.HasSwitch(cc::switches::kSlowDownRasterScaleFactor)) {
     const int kMinSlowDownScaleFactor = 0;
     const int kMaxSlowDownScaleFactor = INT_MAX;
     GetSwitchValueAsInt(
         cmd, cc::switches::kSlowDownRasterScaleFactor, kMinSlowDownScaleFactor,
         kMaxSlowDownScaleFactor,
         &settings.initial_debug_state.slow_down_raster_scale_factor);
   }
@@ skipping 764 matching lines @@
 void RenderWidgetCompositor::SetContentSourceId(uint32_t id) {
   layer_tree_host_->SetContentSourceId(id);
 }
 
 void RenderWidgetCompositor::SetLocalSurfaceId(
     const cc::LocalSurfaceId& local_surface_id) {
   layer_tree_host_->SetLocalSurfaceId(local_surface_id);
 }
 
 }  // namespace content