Remove unused includes from core/{editing,fileapi,history,html}

Source/core/html/parser/HTMLConstructionSite.cpp

Index: Source/core/html/parser/HTMLConstructionSite.cpp
diff --git a/Source/core/html/parser/HTMLConstructionSite.cpp b/Source/core/html/parser/HTMLConstructionSite.cpp
index c01af71918dbac7ccd5a92f4a3f176a6a585550e..e6566a3dfd95301ec4a462b22c23aa9997a0d09b 100644
--- a/Source/core/html/parser/HTMLConstructionSite.cpp
+++ b/Source/core/html/parser/HTMLConstructionSite.cpp
@@ -34,24 +34,18 @@
 #include "core/dom/DocumentType.h"
 #include "core/dom/Element.h"
 #include "core/dom/Text.h"
-#include "core/html/HTMLDocument.h"
 #include "core/html/HTMLFormElement.h"
 #include "core/html/HTMLHtmlElement.h"
-#include "core/html/HTMLPlugInElement.h"
 #include "core/html/HTMLScriptElement.h"
 #include "core/html/HTMLTemplateElement.h"
 #include "core/html/parser/AtomicHTMLToken.h"
 #include "core/html/parser/HTMLParserIdioms.h"
 #include "core/html/parser/HTMLStackItem.h"
 #include "core/html/parser/HTMLToken.h"
-#include "core/html/parser/HTMLTokenizer.h"
 #include "core/loader/FrameLoader.h"
 #include "core/loader/FrameLoaderClient.h"
 #include "core/page/Frame.h"
-#include "core/page/Settings.h"
-#include "core/platform/LocalizedStrings.h"
 #include "core/platform/NotImplemented.h"
-#include "wtf/UnusedParam.h"
 #include <limits>
 
 namespace WebCore {