aura: Defer OutputSurface creation until widget is available

content/browser/renderer_host/begin_frame_observer_proxy_unittest.cc

Index: content/browser/renderer_host/begin_frame_observer_proxy_unittest.cc
diff --git a/content/browser/renderer_host/begin_frame_observer_proxy_unittest.cc b/content/browser/renderer_host/begin_frame_observer_proxy_unittest.cc
index fe2b5289c00e2feb23e65f9268ff2fcef1c7e65a..77b00e96b01d397ec230147c90212c5b66beb885 100644
--- a/content/browser/renderer_host/begin_frame_observer_proxy_unittest.cc
+++ b/content/browser/renderer_host/begin_frame_observer_proxy_unittest.cc
@@ -40,8 +40,7 @@ class BeginFrameObserverProxyTest : public testing::Test {
     compositor_task_runner_ = new base::TestSimpleTaskRunner();
     compositor_.reset(
         new ui::Compositor(context_factory, compositor_task_runner_));
-    compositor_->SetAcceleratedWidgetAndStartCompositor(
-        gfx::kNullAcceleratedWidget);
+    compositor_->SetAcceleratedWidget(gfx::kNullAcceleratedWidget);
   }
 
   void TearDown() override {