cc: Remove client/engine LayerTreeHostInProcess.

cc/test/serialization_test_utils.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/serialization_test_utils.h"
+
+#include "cc/blimp/compositor_state_deserializer.h"
+#include "cc/layers/layer.h"
+#include "cc/trees/layer_tree.h"
+#include "cc/trees/layer_tree_host_common.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace cc {
+
+#define EXPECT_LAYERS_EQ(engine_layer_id, client_layer)                    \
+  EXPECT_EQ(                                                               \
+      compositor_state_deserializer->GetLayerForEngineId(engine_layer_id), \
+      client_layer);
+
+void VerifySerializedTreesAreIdentical(
+    LayerTree* engine_layer_tree,
+    LayerTree* client_layer_tree,
+    CompositorStateDeserializer* compositor_state_deserializer) {
+  if (engine_layer_tree->root_layer()) {
+    for (auto* engine_layer : *engine_layer_tree) {
+      Layer* client_layer = compositor_state_deserializer->GetLayerForEngineId(
+          engine_layer->id());
+      EXPECT_EQ(client_layer->GetLayerTree(), client_layer_tree);
+      VerifySerializedLayersAreIdentical(engine_layer, client_layer,
+                                         compositor_state_deserializer);
+    }
+  } else {
+    EXPECT_EQ(client_layer_tree->root_layer(), nullptr);
+  }
+
+  // Viewport layers.
+  // Overscroll Elasticty Layer.
+  Layer* client_overscroll_elasticity_layer =
+      client_layer_tree->overscroll_elasticity_layer();
+  if (engine_layer_tree->overscroll_elasticity_layer()) {
+    int engine_overscroll_elasticity_layer_id =
+        engine_layer_tree->overscroll_elasticity_layer()->id();
+
+    EXPECT_LAYERS_EQ(engine_overscroll_elasticity_layer_id,
+                     client_overscroll_elasticity_layer);
+  } else {
+    EXPECT_EQ(client_overscroll_elasticity_layer, nullptr);
+  }
+
+  // PageScale Layer.
+  Layer* client_page_scale_layer = client_layer_tree->page_scale_layer();
+  if (engine_layer_tree->page_scale_layer()) {
+    int engine_page_scale_layer_id =
+        engine_layer_tree->page_scale_layer()->id();
+
+    EXPECT_LAYERS_EQ(engine_page_scale_layer_id, client_page_scale_layer);
+  } else {
+    EXPECT_EQ(client_page_scale_layer, nullptr);
+  }
+
+  // InnerViewportScroll Layer.
+  Layer* client_inner_viewport_layer =
+      client_layer_tree->inner_viewport_scroll_layer();
+  if (engine_layer_tree->inner_viewport_scroll_layer()) {
+    int engine_inner_viewport_layer_id =
+        engine_layer_tree->inner_viewport_scroll_layer()->id();
+
+    EXPECT_LAYERS_EQ(engine_inner_viewport_layer_id,
+                     client_inner_viewport_layer);
+  } else {
+    EXPECT_EQ(client_inner_viewport_layer, nullptr);
+  }
+
+  // OuterViewportScroll Layer.
+  Layer* client_outer_viewport_layer =
+      client_layer_tree->outer_viewport_scroll_layer();
+  if (engine_layer_tree->outer_viewport_scroll_layer()) {
+    int engine_outer_viewport_layer_id =
+        engine_layer_tree->outer_viewport_scroll_layer()->id();
+
+    EXPECT_LAYERS_EQ(engine_outer_viewport_layer_id,
+                     client_outer_viewport_layer);
+  } else {
+    EXPECT_EQ(client_outer_viewport_layer, nullptr);
+  }
+
+  // Other LayerTree inputs.
+  EXPECT_EQ(engine_layer_tree->device_scale_factor(),
+            client_layer_tree->device_scale_factor());
+  EXPECT_EQ(engine_layer_tree->painted_device_scale_factor(),
+            client_layer_tree->painted_device_scale_factor());
+  EXPECT_EQ(engine_layer_tree->device_viewport_size(),
+            client_layer_tree->device_viewport_size());
+
+  EXPECT_EQ(engine_layer_tree->page_scale_factor(),
+            client_layer_tree->page_scale_factor());
+  EXPECT_EQ(engine_layer_tree->min_page_scale_factor(),
+            client_layer_tree->min_page_scale_factor());
+  EXPECT_EQ(engine_layer_tree->max_page_scale_factor(),
+            client_layer_tree->max_page_scale_factor());
+
+  EXPECT_EQ(engine_layer_tree->background_color(),
+            client_layer_tree->background_color());
+  EXPECT_EQ(engine_layer_tree->has_transparent_background(),
+            client_layer_tree->has_transparent_background());
+
+  EXPECT_EQ(engine_layer_tree->selection(), client_layer_tree->selection());
+
+  EXPECT_EQ(engine_layer_tree->have_scroll_event_handlers(),
+            client_layer_tree->have_scroll_event_handlers());
+
+  for (int i = 0; i < static_cast<int>(EventListenerClass::kNumClasses); ++i) {
+    EXPECT_EQ(engine_layer_tree->event_listener_properties(
+                  static_cast<EventListenerClass>(i)),
+              client_layer_tree->event_listener_properties(
+                  static_cast<EventListenerClass>(i)));
+  }
+}
+
+void VerifySerializedLayersAreIdentical(
+    Layer* engine_layer,
+    Layer* client_layer,
+    CompositorStateDeserializer* compositor_state_deserializer) {
+  ASSERT_NE(client_layer, nullptr);
+
+  // Parent.
+  if (engine_layer->parent()) {
+    int engine_parent_id = engine_layer->parent()->id();
+    EXPECT_LAYERS_EQ(engine_parent_id, client_layer->parent());
+  } else {
+    EXPECT_EQ(client_layer->parent(), nullptr);
+  }
+
+  // Mask Layers.
+  if (engine_layer->mask_layer()) {
+    int engine_mask_layer_id = engine_layer->mask_layer()->id();
+    EXPECT_LAYERS_EQ(engine_mask_layer_id, client_layer->mask_layer());
+  } else {
+    EXPECT_EQ(client_layer->mask_layer(), nullptr);
+  }
+
+  // Scroll parent.
+  if (engine_layer->scroll_parent()) {
+    int engine_scroll_parent_id = engine_layer->scroll_parent()->id();
+    EXPECT_LAYERS_EQ(engine_scroll_parent_id, client_layer->scroll_parent());
+  } else {
+    EXPECT_EQ(client_layer->scroll_parent(), nullptr);
+  }
+
+  // Clip parent.
+  if (engine_layer->clip_parent()) {
+    int engine_clip_parent_id = engine_layer->clip_parent()->id();
+    EXPECT_LAYERS_EQ(engine_clip_parent_id, client_layer->clip_parent());
+  } else {
+    EXPECT_EQ(client_layer->clip_parent(), nullptr);
+  }
+
+  // Scroll-clip layer.
+  if (engine_layer->scroll_clip_layer()) {
+    int scroll_clip_id = engine_layer->scroll_clip_layer()->id();
+    EXPECT_LAYERS_EQ(scroll_clip_id, client_layer->scroll_clip_layer());
+  } else {
+    EXPECT_EQ(client_layer->scroll_clip_layer(), nullptr);
+  }
+}
+
+}  // namespace cc