cc: Remove things from OutputSurface and CompositorFrameSink.

content/test/layouttest_support.cc

Index: content/test/layouttest_support.cc
diff --git a/content/test/layouttest_support.cc b/content/test/layouttest_support.cc
index 9fe0eb49dbbd892ed4b13ad3abac067b2b6d4ddd..db1e755f125ecf4a8a10544c25cf5a5ee46be379 100644
--- a/content/test/layouttest_support.cc
+++ b/content/test/layouttest_support.cc
@@ -293,7 +293,7 @@ class LayoutTestDependenciesImpl : public LayoutTestDependencies {
                 automatic_flushes, support_locking, gpu::SharedMemoryLimits(),
                 attributes, nullptr,
                 command_buffer_metrics::OFFSCREEN_CONTEXT_FOR_TESTING)),
-            nullptr, flipped_output_surface));
+            flipped_output_surface));
 
     auto* task_runner = deps->GetCompositorImplThreadTaskRunner().get();
     bool synchronous_composite = !task_runner;