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

content/browser/compositor/test/no_transport_image_transport_factory.cc

Index: content/browser/compositor/test/no_transport_image_transport_factory.cc
diff --git a/content/browser/compositor/test/no_transport_image_transport_factory.cc b/content/browser/compositor/test/no_transport_image_transport_factory.cc
index 150c9a69b1fbc56283b95b4665cbdb8fad3b2325..8c4d6cdfc1575fe3b405c279924cb807ab3105d9 100644
--- a/content/browser/compositor/test/no_transport_image_transport_factory.cc
+++ b/content/browser/compositor/test/no_transport_image_transport_factory.cc
@@ -33,6 +33,11 @@ ui::ContextFactory* NoTransportImageTransportFactory::GetContextFactory() {
   return context_factory_.get();
 }
 
+ui::ContextFactoryPrivate*
+NoTransportImageTransportFactory::GetContextFactoryPrivate() {
+  return context_factory_.get();
+}
+
 display_compositor::GLHelper* NoTransportImageTransportFactory::GetGLHelper() {
   if (!gl_helper_) {
     context_provider_ = context_factory_->SharedMainThreadContextProvider();