DevTools: [CSS] Add CSS.editRangeInStyleSheetText() to the protocol

Source/wtf/text/TextPosition.h

 /*
  * Copyright (C) 2010, 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:
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
  *     notice, this list of conditions and the following disclaimer in the
@@ skipping 50 matching lines @@
 class TextPosition {
 public:
     TextPosition(OrdinalNumber line, OrdinalNumber column)
         : m_line(line)
         , m_column(column)
     {
     }
     TextPosition() { }
     bool operator==(const TextPosition& other) { return m_line == other.m_line && m_column == other.m_column; }
     bool operator!=(const TextPosition& other) { return !((*this) == other); }
+    OrdinalNumber toOffsetPosition(const Vector<unsigned>&);
 
     // A 'minimum' value of position, used as a default value.
     static TextPosition minimumPosition() { return TextPosition(OrdinalNumber::first(), OrdinalNumber::first()); }
 
     // A value with line value less than a minimum; used as an impossible position.
     static TextPosition belowRangePosition() { return TextPosition(OrdinalNumber::beforeFirst(), OrdinalNumber::beforeFirst()); }
 
     // A value corresponding to a position with given offset within text having the specified line ending offsets.
     WTF_EXPORT static TextPosition fromOffsetAndLineEndings(unsigned, const Vector<unsigned>&);
 
     OrdinalNumber m_line;
     OrdinalNumber m_column;
 };
 
 WTF_EXPORT PassOwnPtr<Vector<unsigned> > lineEndings(const String&);
 
 } // namespace WTF
 
 using WTF::OrdinalNumber;
 
 using WTF::TextPosition;
 
 using WTF::lineEndings;
 
 #endif // TextPosition_h