Changes code using Compositor to pass in ContextFactory

ui/snapshot/snapshot_aura_unittest.cc

Index: ui/snapshot/snapshot_aura_unittest.cc
diff --git a/ui/snapshot/snapshot_aura_unittest.cc b/ui/snapshot/snapshot_aura_unittest.cc
index eee20b3b149e41bffb80ae3429a4e49fb8918b75..f8a2a94f2cf479d1b9406f544f9951a49e95f4b0 100644
--- a/ui/snapshot/snapshot_aura_unittest.cc
+++ b/ui/snapshot/snapshot_aura_unittest.cc
@@ -13,6 +13,7 @@
 #include "ui/aura/test/test_windows.h"
 #include "ui/aura/window.h"
 #include "ui/aura/window_event_dispatcher.h"
+#include "ui/compositor/compositor.h"
 #include "ui/compositor/layer.h"
 #include "ui/compositor/test/context_factories_for_test.h"
 #include "ui/compositor/test/draw_waiter_for_test.h"
@@ -89,11 +90,12 @@ class SnapshotAuraTest : public testing::Test {
     // The ContextFactory must exist before any Compositors are created.
     // Snapshot test tests real drawing and readback, so needs pixel output.
     bool enable_pixel_output = true;
-    ui::InitializeContextFactoryForTests(enable_pixel_output);
+    ui::ContextFactory* context_factory =
+        ui::InitializeContextFactoryForTests(enable_pixel_output);
 
     helper_.reset(
         new aura::test::AuraTestHelper(base::MessageLoopForUI::current()));
-    helper_->SetUp();
+    helper_->SetUp(context_factory);
     new ::wm::DefaultActivationClient(helper_->root_window());
   }