Move some AX attrs from AXNodeData to AXTreeData.

content/common/ax_content_node_data.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 "base/strings/string_number_conversions.h"
 #include "content/common/ax_content_node_data.h"
 
 using base::IntToString;
 
 namespace content {
@@ skipping 51 matching lines @@
     AXContentIntAttribute attribute, int32 value) {
   content_int_attributes.push_back(std::make_pair(attribute, value));
 }
 
 std::string AXContentNodeData::ToString() const {
   std::string result = AXNodeData::ToString();
 
   for (auto iter : content_int_attributes) {
     std::string value = IntToString(iter.second);
     switch (iter.first) {
-      case AX_CONTENT_ATTR_ROUTING_ID:
-        result += " routing_id=" + value;
-        break;
-      case AX_CONTENT_ATTR_PARENT_ROUTING_ID:
-        result += " parent_routing_id=" + value;
-        break;
       case AX_CONTENT_ATTR_CHILD_ROUTING_ID:
         result += " child_routing_id=" + value;
         break;
       case AX_CONTENT_ATTR_CHILD_BROWSER_PLUGIN_INSTANCE_ID:
         result += " child_browser_plugin_instance_id=" + value;
         break;
       case AX_CONTENT_INT_ATTRIBUTE_LAST:
         NOTREACHED();
         break;
     }
   }
 
   return result;
 }
 
+AXContentTreeData::AXContentTreeData()
+    : routing_id(-1),
+      parent_routing_id(-1) {
+}
+
+AXContentTreeData::~AXContentTreeData() {
+}
+
+std::string AXContentTreeData::ToString() const {
+  std::string result = AXTreeData::ToString();
+
+  if (routing_id != -1)
+    result += " routing_id=" + IntToString(routing_id);
+  if (parent_routing_id != -1)
+    result += " parent_routing_id=" + IntToString(parent_routing_id);
+
+  return result;
+}
+
 }  // namespace ui