Defer compositor context creation to the thread.

cc/test/failure_output_surface.cc

 // Copyright 2014 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 "cc/test/failure_output_surface.h"
 
+#include "base/memory/ptr_util.h"
+
 namespace cc {
 
 FailureOutputSurface::FailureOutputSurface(bool is_delegating)
-    : FakeOutputSurface(static_cast<ContextProvider*>(nullptr), is_delegating) {
-}
+    : FakeOutputSurface(base::WrapUnique<TestContextProvider::Factory>(nullptr),
+                        is_delegating) {}
 
 bool FailureOutputSurface::BindToClient(OutputSurfaceClient* client) {
   // This will force this output surface to not initialize in LTHI
   // and eventually get back to LTH::DidFailToInitializeOutputSurface;
   return false;
 }
 
 }  // namespace cc