Changes code using Compositor to pass in ContextFactory

ui/wm/test/wm_test_helper.cc

Index: ui/wm/test/wm_test_helper.cc
diff --git a/ui/wm/test/wm_test_helper.cc b/ui/wm/test/wm_test_helper.cc
index 9a9af613db08e048fd5d7a86427b05b82296e28a..83f0da480047c2213020a79d9df6d3fe31c8f226 100644
--- a/ui/wm/test/wm_test_helper.cc
+++ b/ui/wm/test/wm_test_helper.cc
@@ -14,9 +14,11 @@
 
 namespace wm {
 
-WMTestHelper::WMTestHelper(const gfx::Size& default_window_size) {
+WMTestHelper::WMTestHelper(const gfx::Size& default_window_size,
+                           ui::ContextFactory* context_factory) {
   aura::Env::CreateInstance(true);
-  host_.reset(aura::WindowTreeHost::Create(gfx::Rect(default_window_size)));
+  host_.reset(aura::WindowTreeHost::Create(gfx::Rect(default_window_size),
+                                           context_factory));
   host_->InitHost();
   aura::client::SetWindowTreeClient(host_->window(), this);