Move RenderTextInfo and WordMeasurement into their own headers.

Source/core/rendering/line/RenderTextInfo.h

Index: Source/core/rendering/line/RenderTextInfo.h
diff --git a/Source/core/rendering/RenderApplet.h b/Source/core/rendering/line/RenderTextInfo.h
similarity index 60%
copy from Source/core/rendering/RenderApplet.h
copy to Source/core/rendering/line/RenderTextInfo.h
index 9f740f404db67a7586768f15194c64c06c9bbb97..0ad1c598a25f4246343f875a6bd37813ef2f10fc 100644
--- a/Source/core/rendering/RenderApplet.h
+++ b/Source/core/rendering/line/RenderTextInfo.h
@@ -1,6 +1,7 @@
 /*
- * 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
@@ -19,24 +20,28 @@
  *
  */
 
-#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