DevTools: [Elements] Do not miss DOM matches on documentElement

Source/core/inspector/InspectorDOMAgent.cpp

 /*
  * Copyright (C) 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2011 Google Inc. All rights reserved.
  * Copyright (C) 2009 Joseph Pecoraro
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
@@ skipping 1016 matching lines @@
     WillBeHeapListHashSet<RawPtrWillBeMember<Node> > resultCollector;
 
     for (WillBeHeapVector<RawPtrWillBeMember<Document> >::iterator it = docs.begin(); it != docs.end(); ++it) {
         Document* document = *it;
         Node* documentElement = document->documentElement();
         Node* node = documentElement;
         if (!node)
             continue;
 
         // Manual plain text search.
-        for (node = nextNodeWithShadowDOMInMind(*node, documentElement, includeUserAgentShadowDOM); node; node = nextNodeWithShadowDOMInMind(*node, documentElement, includeUserAgentShadowDOM)) {
+        for (; node; node = nextNodeWithShadowDOMInMind(*node, documentElement, includeUserAgentShadowDOM)) {
             switch (node->nodeType()) {
             case Node::TEXT_NODE:
             case Node::COMMENT_NODE:
             case Node::CDATA_SECTION_NODE: {
                 String text = node->nodeValue();
                 if (text.findIgnoringCase(whitespaceTrimmedQuery) != kNotFound)
                     resultCollector.add(node);
                 break;
             }
             case Node::ELEMENT_NODE: {
@@ skipping 1146 matching lines @@
     visitor->trace(m_searchResults);
 #endif
     visitor->trace(m_history);
     visitor->trace(m_domEditor);
     visitor->trace(m_listener);
     InspectorBaseAgent::trace(visitor);
 }
 
 } // namespace blink