cc: Get rid of non-delegated rendering in most cc unit tests.

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 "base/memory/ptr_util.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) {
-}
-
-FakeLayerTreeHostClient::~FakeLayerTreeHostClient() {}
+FakeLayerTreeHostClient::FakeLayerTreeHostClient() = default;
+FakeLayerTreeHostClient::~FakeLayerTreeHostClient() = default;
 
 void FakeLayerTreeHostClient::RequestNewOutputSurface() {
   DCHECK(host_);
-  std::unique_ptr<OutputSurface> surface;
-  if (use_software_rendering_) {
-    if (use_delegating_renderer_) {
-      surface = FakeOutputSurface::CreateDelegatingSoftware(
-          base::WrapUnique(new SoftwareOutputDevice));
-    } else {
-      surface = FakeOutputSurface::CreateSoftware(
-          base::WrapUnique(new SoftwareOutputDevice));
-    }
-  } else if (use_delegating_renderer_) {
-    surface = FakeOutputSurface::CreateDelegating3d();
-  } else {
-    surface = FakeOutputSurface::Create3d();
-  }
-  host_->SetOutputSurface(std::move(surface));
+  host_->SetOutputSurface(FakeOutputSurface::CreateDelegating3d());
 }
 
 void FakeLayerTreeHostClient::DidFailToInitializeOutputSurface() {
   RequestNewOutputSurface();
 }
 
 }  // namespace cc