cc/blimp: Set up the framework for state serialization.

cc/layers/layer_proto_converter.cc

 // Copyright 2015 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/layers/layer_proto_converter.h"
 
 #include "base/stl_util.h"
 #include "base/trace_event/trace_event.h"
 #include "cc/layers/empty_content_layer_client.h"
 #include "cc/layers/heads_up_display_layer.h"
 #include "cc/layers/layer.h"
 #include "cc/layers/picture_layer.h"
 #include "cc/layers/solid_color_scrollbar_layer.h"
 #include "cc/proto/layer.pb.h"
 #include "cc/trees/layer_tree_host.h"
 #include "cc/trees/layer_tree_host_common.h"
 #include "cc/trees/layer_tree_settings.h"
 
 namespace cc {
 
 LayerProtoConverter::LayerProtoConverter() {}
 
 LayerProtoConverter::~LayerProtoConverter() {}
 
 // static
-void LayerProtoConverter::SerializeLayerHierarchy(
-    const scoped_refptr<Layer> root_layer,
-    proto::LayerNode* root_node) {
-  TRACE_EVENT0("cc.remote", "LayerProtoConverter::SerializeLayerHierarchy");
-  root_layer->ToLayerNodeProto(root_node);
-}
-
-// static
 scoped_refptr<Layer> LayerProtoConverter::DeserializeLayerHierarchy(
     scoped_refptr<Layer> existing_root,
     const proto::LayerNode& root_node,
     LayerTreeHost* layer_tree_host) {
   LayerIdMap layer_id_map;
   if (existing_root) {
     existing_root->ClearLayerTreePropertiesForDeserializationAndAddToMap(
         &layer_id_map);
   }
 
   scoped_refptr<Layer> new_root = existing_root;
   if (!existing_root ||
       (root_node.has_id() && root_node.id() != existing_root->id())) {
     // The root node has changed or there was no root node,
     // so find or create the new root.
     new_root = FindOrAllocateAndConstruct(root_node, layer_id_map);
   }
   new_root->FromLayerNodeProto(root_node, layer_id_map, layer_tree_host);
   return new_root;
 }
 
 // static
 void LayerProtoConverter::SerializeLayerProperties(
     LayerTreeHost* host,
     proto::LayerUpdate* layer_update) {
   TRACE_EVENT0("cc.remote", "LayerProtoConverter::SerializeLayerProperties");
   for (auto* layer : host->GetLayerTree()->LayersThatShouldPushProperties())
-    layer->ToLayerPropertiesProto(layer_update);
+    layer->ToLayerPropertiesProto(layer_update, false);

[ajuma, 2016/10/04 15:45:10]

Please create a variable for the bool argument.

[Khushal, 2016/10/04 18:34:47]

Done.

   host->GetLayerTree()->LayersThatShouldPushProperties().clear();
 }
 
 // static
 void LayerProtoConverter::DeserializeLayerProperties(
     Layer* existing_root,
     const proto::LayerUpdate& layer_update) {
   DCHECK(existing_root);
   LayerIdMap layer_id_map;
   RecursivelyFindAllLayers(existing_root, &layer_id_map);
@@ skipping 46 matching lines @@
       return SolidColorScrollbarLayer::Create(ScrollbarOrientation::HORIZONTAL,
                                               -1, -1, false, Layer::INVALID_ID);
   }
   // TODO(nyquist): Add the rest of the necessary LayerTypes. This function
   // should not return null.
   NOTREACHED();
   return nullptr;
 }
 
 }  // namespace cc