Revert of Make cc output surface creation async

cc/test/fake_layer_tree_host_client.cc

 // Copyright 2012 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/fake_layer_tree_host_client.h"
 
 #include "cc/output/context_provider.h"
 #include "cc/test/fake_output_surface.h"
 #include "cc/test/test_web_graphics_context_3d.h"
-#include "cc/trees/layer_tree_host.h"
 
 namespace cc {
 
 FakeLayerTreeHostClient::FakeLayerTreeHostClient(RendererOptions options)
     : use_software_rendering_(options == DIRECT_SOFTWARE ||
                               options == DELEGATED_SOFTWARE),
       use_delegating_renderer_(options == DELEGATED_3D ||
-                               options == DELEGATED_SOFTWARE),
-      host_(NULL) {
-}
+                               options == DELEGATED_SOFTWARE) {}
 
 FakeLayerTreeHostClient::~FakeLayerTreeHostClient() {}
 
-void FakeLayerTreeHostClient::RequestNewOutputSurface(bool fallback) {
-  DCHECK(host_);
-  scoped_ptr<OutputSurface> surface;
+scoped_ptr<OutputSurface> FakeLayerTreeHostClient::CreateOutputSurface(
+    bool fallback) {
   if (use_software_rendering_) {
     if (use_delegating_renderer_) {
-      surface = FakeOutputSurface::CreateDelegatingSoftware(
-                    make_scoped_ptr(new SoftwareOutputDevice))
-                    .PassAs<OutputSurface>();
-    } else {
-      surface = FakeOutputSurface::CreateSoftware(
-                    make_scoped_ptr(new SoftwareOutputDevice))
-                    .PassAs<OutputSurface>();
+      return FakeOutputSurface::CreateDelegatingSoftware(
+          make_scoped_ptr(new SoftwareOutputDevice)).PassAs<OutputSurface>();
     }
-  } else if (use_delegating_renderer_) {
-    surface = FakeOutputSurface::CreateDelegating3d().PassAs<OutputSurface>();
-  } else {
-    surface = FakeOutputSurface::Create3d().PassAs<OutputSurface>();
+
+    return FakeOutputSurface::CreateSoftware(
+        make_scoped_ptr(new SoftwareOutputDevice)).PassAs<OutputSurface>();
   }
-  host_->SetOutputSurface(surface.Pass());
+
+  if (use_delegating_renderer_)
+    return FakeOutputSurface::CreateDelegating3d().PassAs<OutputSurface>();
+  return FakeOutputSurface::Create3d().PassAs<OutputSurface>();
 }
 
 }  // namespace cc