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

content/browser/compositor/reflector_impl_unittest.cc

Index: content/browser/compositor/reflector_impl_unittest.cc
diff --git a/content/browser/compositor/reflector_impl_unittest.cc b/content/browser/compositor/reflector_impl_unittest.cc
index 3948dd526860abeafa6d00268c4f45d0058ad067..3d71afd15b5b84561e8c12bdf790bdb1245ec0ed 100644
--- a/content/browser/compositor/reflector_impl_unittest.cc
+++ b/content/browser/compositor/reflector_impl_unittest.cc
@@ -134,8 +134,9 @@ class ReflectorImplTest : public testing::Test {
     begin_frame_source_.reset(new cc::DelayBasedBeginFrameSource(
         base::MakeUnique<cc::DelayBasedTimeSource>(
             compositor_task_runner_.get())));
-    compositor_.reset(
-        new ui::Compositor(context_factory, compositor_task_runner_.get()));
+    // TODO(fsamuel): Move things over to ContextFactoryPrivate.
+    compositor_.reset(new ui::Compositor(context_factory, nullptr,
+                                         compositor_task_runner_.get()));
     compositor_->SetAcceleratedWidget(gfx::kNullAcceleratedWidget);
 
     auto context_provider = cc::TestContextProvider::Create();