Remove ~1750 superfluous includes from core

Source/core/html/HTMLTemplateElement.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 14 matching lines @@
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "config.h"
 
 #include "core/html/HTMLTemplateElement.h"
 
-#include "core/dom/DOMImplementation.h"
 #include "core/dom/DocumentFragment.h"
 #include "core/dom/TemplateContentDocumentFragment.h"
-#include "core/editing/markup.h"
-#include "core/html/HTMLDocument.h"
 
 namespace WebCore {
 
 using namespace HTMLNames;
 
 inline HTMLTemplateElement::HTMLTemplateElement(const QualifiedName& tagName, Document* document)
     : HTMLElement(tagName, document)
 {
     ScriptWrappable::init(this);
 }
@@ skipping 36 matching lines @@
 
 #ifndef NDEBUG
 const HTMLTemplateElement* toHTMLTemplateElement(const Node* node)
 {
     ASSERT_WITH_SECURITY_IMPLICATION(!node || (node->isHTMLElement() && node->hasTagName(templateTag)));
     return static_cast<const HTMLTemplateElement*>(node);
 }
 #endif
 
 } // namespace WebCore