Enable more layer_tree_host_unittest for LayerTreeHostRemote.

cc/test/push_properties_counting_layer.cc

+// Copyright 2016 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/push_properties_counting_layer.h"
+
+#include "cc/test/push_properties_counting_layer_impl.h"
+
+namespace cc {
+
+// static
+scoped_refptr<PushPropertiesCountingLayer>
+PushPropertiesCountingLayer::Create() {
+  return new PushPropertiesCountingLayer();
+}
+
+PushPropertiesCountingLayer::PushPropertiesCountingLayer()
+    : push_properties_count_(0), persist_needs_push_properties_(false) {
+  SetBounds(gfx::Size(1, 1));
+}
+
+PushPropertiesCountingLayer::~PushPropertiesCountingLayer() = default;
+
+void PushPropertiesCountingLayer::PushPropertiesTo(LayerImpl* layer) {
+  Layer::PushPropertiesTo(layer);
+  AddPushPropertiesCount();
+}
+
+std::unique_ptr<LayerImpl> PushPropertiesCountingLayer::CreateLayerImpl(
+    LayerTreeImpl* tree_impl) {
+  return PushPropertiesCountingLayerImpl::Create(tree_impl, Layer::id());
+}
+
+void PushPropertiesCountingLayer::ToLayerPropertiesProto(
+    proto::LayerUpdate* layer_update,
+    bool inputs_only) {
+  Layer::ToLayerPropertiesProto(layer_update, inputs_only);
+  AddPushPropertiesCount();
+}
+
+void PushPropertiesCountingLayer::SetTypeForProtoSerialization(
+    proto::LayerNode* proto) const {
+  proto->set_type(proto::LayerNode::PUSH_PROPERTIES_COUNTING_LAYER);
+}
+
+void PushPropertiesCountingLayer::MakePushProperties() {
+  SetContentsOpaque(!contents_opaque());
+}
+
+void PushPropertiesCountingLayer::AddPushPropertiesCount() {
+  push_properties_count_++;
+  if (persist_needs_push_properties_) {
+    GetLayerTree()->AddLayerShouldPushProperties(this);
+  }
+}
+
+}  // namespace cc