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

cc/test/fake_layer_tree_host_client.cc

Index: cc/test/fake_layer_tree_host_client.cc
diff --git a/cc/test/fake_layer_tree_host_client.cc b/cc/test/fake_layer_tree_host_client.cc
index 6de02bf6175e5c439f39c75a29359423e6a40d2b..7fd613875f13bc66170cef3c0976cba4bd422c19 100644
--- a/cc/test/fake_layer_tree_host_client.cc
+++ b/cc/test/fake_layer_tree_host_client.cc
@@ -12,33 +12,12 @@
 
 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() {