cc::ResourcePool - Re-use larger resources for smaller requests

content/renderer/gpu/render_widget_compositor.cc

Index: content/renderer/gpu/render_widget_compositor.cc
diff --git a/content/renderer/gpu/render_widget_compositor.cc b/content/renderer/gpu/render_widget_compositor.cc
index 4e93f948bc7ee22c3fb8b12b443017572b81b9c7..c3facc6e0d8d6bdf105365abcece22e90cfc6c74 100644
--- a/content/renderer/gpu/render_widget_compositor.cc
+++ b/content/renderer/gpu/render_widget_compositor.cc
@@ -543,6 +543,11 @@ cc::LayerTreeSettings RenderWidgetCompositor::GenerateLayerTreeSettings(
   settings.software_memory_policy.num_resources_limit =
       base::SharedMemory::GetHandleLimit() / 3;
 
+  settings.disallow_non_exact_resource_reuse =
+      cmd.HasSwitch(cc::switches::kDisallowNonExactResourceReuse);
+  settings.renderer_settings.disallow_non_exact_resource_reuse =
+      settings.disallow_non_exact_resource_reuse;
+
   return settings;
 }