diff --git a/runtime/flutter_runner/compositor_context.cc b/runtime/flutter_runner/compositor_context.cc
index f92e9fc..e14e4e9 100644
--- a/runtime/flutter_runner/compositor_context.cc
+++ b/runtime/flutter_runner/compositor_context.cc
@@ -16,7 +16,7 @@
               SessionConnection& session_connection)
       : flutter::CompositorContext::ScopedFrame(
             context, nullptr, nullptr, nullptr, root_surface_transformation,
-            instrumentation_enabled),
+            instrumentation_enabled, nullptr),
         session_connection_(session_connection) {}
 
  private:
@@ -85,7 +85,8 @@
 CompositorContext::AcquireFrame(GrContext* gr_context, SkCanvas* canvas,
                                 flutter::ExternalViewEmbedder* view_embedder,
                                 const SkMatrix& root_surface_transformation,
-                                bool instrumentation_enabled) {
+                                bool instrumentation_enabled,
+                                fml::RefPtr<fml::GpuThreadMerger> gpu_thread_merger) {
   // TODO: The AcquireFrame interface is too broad and must be refactored to get
   // rid of the context and canvas arguments as those seem to be only used for
   // colorspace correctness purposes on the mobile shells.
diff --git a/runtime/flutter_runner/compositor_context.h b/runtime/flutter_runner/compositor_context.h
index d4e2c38..c595afc 100644
--- a/runtime/flutter_runner/compositor_context.h
+++ b/runtime/flutter_runner/compositor_context.h
@@ -43,7 +43,8 @@
       GrContext* gr_context, SkCanvas* canvas,
       flutter::ExternalViewEmbedder* view_embedder,
       const SkMatrix& root_surface_transformation,
-      bool instrumentation_enabled) override;
+      bool instrumentation_enabled,
+      fml::RefPtr<fml::GpuThreadMerger> gpu_thread_merger) override;
 
   FML_DISALLOW_COPY_AND_ASSIGN(CompositorContext);
 };