diff --git content/browser/renderer_host/browser_compositor_view_mac.h content/browser/renderer_host/browser_compositor_view_mac.h
index 202bd7aa0d57..20067b203d96 100644
--- content/browser/renderer_host/browser_compositor_view_mac.h
+++ content/browser/renderer_host/browser_compositor_view_mac.h
@@ -58,6 +58,8 @@ class CONTENT_EXPORT BrowserCompositorMac : public DelegatedFrameHostClient,
 
   // These will not return nullptr until Destroy is called.
   DelegatedFrameHost* GetDelegatedFrameHost();
+  ui::Layer* GetRootLayer() { return root_layer_.get(); }
+  ui::Compositor* GetCompositor();
 
   // Force a new surface id to be allocated. Returns true if the
   // RenderWidgetHostImpl sent the resulting surface id to the renderer.
diff --git content/browser/renderer_host/browser_compositor_view_mac.mm content/browser/renderer_host/browser_compositor_view_mac.mm
index c9885b773743..dbd06e177d96 100644
--- content/browser/renderer_host/browser_compositor_view_mac.mm
+++ content/browser/renderer_host/browser_compositor_view_mac.mm
@@ -86,6 +86,12 @@ DelegatedFrameHost* BrowserCompositorMac::GetDelegatedFrameHost() {
   return delegated_frame_host_.get();
 }
 
+ui::Compositor* BrowserCompositorMac::GetCompositor() {
+  if (recyclable_compositor_)
+    return recyclable_compositor_->compositor();
+  return nullptr;
+}
+
 bool BrowserCompositorMac::ForceNewSurfaceId() {
   dfh_local_surface_id_allocator_.GenerateId();
   delegated_frame_host_->EmbedSurface(