Rewrite references to "wtf/" to "platform/wtf/" in core/{dom,html,xml}.

third_party/WebKit/Source/core/html/HTMLCollection.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2003-2008, 2011, 2012, 2014 Apple Inc. All rights reserved.
  * Copyright (C) 2014 Samsung Electronics. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
@@ skipping 18 matching lines @@
 #include "core/dom/NodeRareData.h"
 #include "core/html/DocumentNameCollection.h"
 #include "core/html/HTMLDataListOptionsCollection.h"
 #include "core/html/HTMLElement.h"
 #include "core/html/HTMLFormControlElement.h"
 #include "core/html/HTMLObjectElement.h"
 #include "core/html/HTMLOptionElement.h"
 #include "core/html/HTMLOptionsCollection.h"
 #include "core/html/HTMLTagCollection.h"
 #include "core/html/WindowNameCollection.h"
-#include "wtf/HashSet.h"
+#include "platform/wtf/HashSet.h"
 
 namespace blink {
 
 using namespace HTMLNames;
 
 static bool ShouldTypeOnlyIncludeDirectChildren(CollectionType type) {
   switch (type) {
     case kClassCollectionType:
     case kTagCollectionType:
     case kHTMLTagCollectionType:
@@ skipping 469 matching lines @@
 
 HTMLCollection::NamedItemCache::NamedItemCache() {}
 
 DEFINE_TRACE(HTMLCollection) {
   visitor->Trace(named_item_cache_);
   visitor->Trace(collection_items_cache_);
   LiveNodeListBase::Trace(visitor);
 }
 
 }  // namespace blink