ui + mus: Split ContextFactory into ContextFactory(Client) and ContextFactoryPrivate

ui/views/cocoa/bridged_native_widget.mm

Index: ui/views/cocoa/bridged_native_widget.mm
diff --git a/ui/views/cocoa/bridged_native_widget.mm b/ui/views/cocoa/bridged_native_widget.mm
index b787dbc9549e986fd395cc5c8355a1408a58f427..28383b02dd7411822f9a2bc65d945fd3f950ad4d 100644
--- a/ui/views/cocoa/bridged_native_widget.mm
+++ b/ui/views/cocoa/bridged_native_widget.mm
@@ -1259,12 +1259,14 @@ void BridgedNativeWidget::CreateCompositor() {
   ui::ContextFactory* context_factory =
       ViewsDelegate::GetInstance()->GetContextFactory();
   DCHECK(context_factory);
+  ui::ContextFactoryPrivate* context_factory_private =
+      ViewsDelegate::GetInstance()->GetContextFactoryPrivate();
 
   AddCompositorSuperview();
 
   compositor_widget_.reset(new ui::AcceleratedWidgetMac());
-  compositor_.reset(
-      new ui::Compositor(context_factory, GetCompositorTaskRunner()));
+  compositor_.reset(new ui::Compositor(context_factory, context_factory_private,
+                                       GetCompositorTaskRunner()));
   compositor_->SetAcceleratedWidget(compositor_widget_->accelerated_widget());
   compositor_widget_->SetNSView(this);
 }