Correctly ignore AXTree event creation change state for reparented nodes

chrome/renderer/extensions/automation_internal_custom_bindings.cc

 // Copyright 2014 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 "chrome/renderer/extensions/automation_internal_custom_bindings.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <memory>
@@ skipping 1131 matching lines @@
       case SUBTREE_CREATED:
         SendTreeChangeEvent(
             api::automation::TREE_CHANGE_TYPE_SUBTREECREATED,
             tree, node);
         break;
       case NODE_CHANGED:
         SendTreeChangeEvent(
             api::automation::TREE_CHANGE_TYPE_NODECHANGED,
             tree, node);
         break;
+      // Unhandled.
+      case NODE_REPARENTED:
+      case SUBTREE_REPARENTED:
+        break;
     }
   }
 
   for (int id : text_changed_node_ids_) {
     SendTreeChangeEvent(api::automation::TREE_CHANGE_TYPE_TEXTCHANGED, tree,
                         tree->GetFromId(id));
   }
   text_changed_node_ids_.clear();
 }
 
@@ skipping 91 matching lines @@
   v8::Local<v8::Array> args(v8::Array::New(GetIsolate(), 2U));
   args->Set(0U, v8::Integer::New(GetIsolate(), tree_id));
   v8::Local<v8::Array> nodes(v8::Array::New(GetIsolate(), ids.size()));
   args->Set(1U, nodes);
   for (size_t i = 0; i < ids.size(); ++i)
     nodes->Set(i, v8::Integer::New(GetIsolate(), ids[i]));
   context()->DispatchEvent("automationInternal.onNodesRemoved", args);
 }
 
 }  // namespace extensions