Move RenderTextInfo and WordMeasurement into their own headers.

Source/core/rendering/line/WordMeasurement.h

 /*
- * Copyright (C) 2012 Google Inc. All rights reserved.
+ * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
+ * Copyright (C) 2003, 2004, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All right reserved.
+ * Copyright (C) 2010 Google Inc. All rights reserved.
+ * Copyright (C) 2013 Adobe Systems Incorporated.
  *
  * 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.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  *
  */
 
-#ifndef HTMLBDIElement_h
-#define HTMLBDIElement_h
+#ifndef WordMeasurement_h
+#define WordMeasurement_h
 
-#include "core/html/HTMLElement.h"
+#include "platform/fonts/SimpleFontData.h"
+#include "wtf/HashSet.h"
 
 namespace WebCore {
 
-class HTMLBDIElement FINAL : public HTMLElement {
+class RenderText;
+
+class WordMeasurement {
 public:
-    DECLARE_NODE_FACTORY(HTMLBDIElement);
+    WordMeasurement()
+        : renderer(0)
+        , width(0)
+        , startOffset(0)
+        , endOffset(0)
+    {
+    }
 
-private:
-    inline explicit HTMLBDIElement(Document& document)
-        : HTMLElement(HTMLNames::bdiTag, document)
-    {
-        // FIXME: Rename setSelfOrAncestorHasDirAutoAttribute to reflect the fact bdi also uses this flag.
-        setSelfOrAncestorHasDirAutoAttribute(true);
-    }
+    RenderText* renderer;
+    float width;
+    int startOffset;
+    int endOffset;
+    HashSet<const SimpleFontData*> fallbackFonts;
 };
 
-DEFINE_NODE_FACTORY(HTMLBDIElement)
-
 } // namespace WebCore
 
-#endif
+#endif // WordMeasurement_h