cc : Add LayerToPropertyTreeIndices map to PropertyTrees

cc/trees/layer_tree_impl.cc

 // Copyright 2011 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/trees/layer_tree_impl.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
@@ skipping 470 matching lines @@
     layers.scroll = nullptr;
 
   if (!layers.main && !layers.scroll)
     element_layers_map_.erase(layer->element_id());
 }
 
 void LayerTreeImpl::AddToOpacityAnimationsMap(int id, float opacity) {
   opacity_animations_map_[id] = opacity;
 }
 
+void LayerTreeImpl::UpdateLayerToPropertyTreeIndicesMap(
+    int id,
+    int tree_index,
+    PropertyTrees::Types tree_type) {
+  PropertyTreeIndices& indices = layer_to_property_tree_indices_map_[id];
+  switch (tree_type) {
+    case PropertyTrees::Types::TRANSFORM_TREE:
+      indices.transform_tree_index = tree_index;
+      break;
+    case PropertyTrees::Types::CLIP_TREE:
+      indices.clip_tree_index = tree_index;
+      break;
+    case PropertyTrees::Types::SCROLL_TREE:
+      indices.scroll_tree_index = tree_index;
+      break;
+    case PropertyTrees::Types::EFFECT_TREE:
+      indices.effect_tree_index = tree_index;
+      break;
+    default:
+      break;
+  }
+}
+
+void LayerTreeImpl::RemoveFromLayerToPropertyTreeIndicesMap(int id) {
+  layer_to_property_tree_indices_map_.erase(id);
+}
+
 LayerTreeImpl::ElementLayers LayerTreeImpl::GetMutableLayers(
     uint64_t element_id) {
   auto iter = element_layers_map_.find(element_id);
   if (iter == element_layers_map_.end())
     return ElementLayers();
 
   return iter->second;
 }
 
 LayerImpl* LayerTreeImpl::InnerViewportContainerLayer() const {
@@ skipping 1596 matching lines @@
   *bounds = gfx::BoxF();
   return layer_tree_host_impl_->animation_host()
       ->TransformAnimationBoundsForBox(layer->id(), box, bounds);
 }
 
 void LayerTreeImpl::ScrollAnimationAbort(bool needs_completion) {
   layer_tree_host_impl_->animation_host()->ScrollAnimationAbort(
       needs_completion);
 }
 
-void LayerTreeImpl::ResetAllChangeTracking(PropertyTrees::ResetFlags flag) {
+void LayerTreeImpl::ResetAllChangeTracking(PropertyTrees::Types type) {
   layers_that_should_push_properties_.clear();
   for (auto* layer : *this)
     layer->ResetChangeTracking();
-  property_trees_.ResetAllChangeTracking(flag);
+  property_trees_.ResetAllChangeTracking(type);
 }
 
 }  // namespace cc