Move RenderTextInfo and WordMeasurement into their own headers.

Source/core/rendering/line/RenderTextInfo.h

 /*
- * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
- * Copyright (C) 2006, 2007, 2009 Apple 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.
  *
  * 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 RenderApplet_h
-#define RenderApplet_h
+#ifndef RenderTextInfo_h
+#define RenderTextInfo_h
 
-#include "core/rendering/RenderEmbeddedObject.h"
+#include "platform/text/TextBreakIterator.h"
 
 namespace WebCore {
 
-class HTMLAppletElement;
+class Font;
+class RenderText;
 
-class RenderApplet FINAL : public RenderEmbeddedObject {
-public:
-    explicit RenderApplet(HTMLAppletElement*);
-    virtual ~RenderApplet();
+struct RenderTextInfo {
+    RenderTextInfo()
+        : m_text(0)
+        , m_font(0)
+    {
+    }
 
-private:
-    virtual const char* renderName() const OVERRIDE { return "RenderApplet"; }
+    RenderText* m_text;
+    LazyLineBreakIterator m_lineBreakIterator;
+    const Font* m_font;
 };
 
 } // namespace WebCore
 
-#endif // RenderApplet_h
+#endif // RenderTextInfo_h