aura: Defer OutputSurface creation until widget is available

content/browser/renderer_host/begin_frame_observer_proxy_unittest.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <algorithm>
 #include <list>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 22 matching lines @@
   BeginFrameObserverProxyTest() {}
   ~BeginFrameObserverProxyTest() override {}
 
   void SetUp() override {
     bool enable_pixel_output = false;
     ui::ContextFactory* context_factory =
         ui::InitializeContextFactoryForTests(enable_pixel_output);
     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 {
     compositor_.reset();
     ui::TerminateContextFactoryForTests();
   }
 
   ui::Compositor* compositor() { return compositor_.get(); }
 
  private:
@@ skipping 34 matching lines @@
   begin_frame_observer.ResetCompositor();
   cc::BeginFrameArgs args3 =
     cc::CreateBeginFrameArgsForTesting(BEGINFRAME_FROM_HERE,
                                        base::TimeTicks::FromInternalValue(99));
   EXPECT_CALL(client, SendBeginFrame(_)).Times(0);
   compositor()->SendBeginFramesToChildren(args3);
   Mock::VerifyAndClearExpectations(&client);
 }
 
 }  // namespace content