Replace CSSParserString with StringView.

third_party/WebKit/Source/core/css/parser/CSSTokenizerInputStream.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/css/parser/CSSTokenizerInputStream.h"
 
-#include "core/css/parser/CSSParserString.h"
 #include "core/html/parser/InputStreamPreprocessor.h"
 
 namespace blink {
 
 CSSTokenizerInputStream::CSSTokenizerInputStream(String input)
     : m_offset(0)
     , m_stringLength(input.length())
     , m_string(input.impl())
 {
 }
@@ skipping 20 matching lines @@
     if (start < end) {
         if (m_string->is8Bit())
             result = charactersToDouble(m_string->characters8() + m_offset + start, end - start, &isResultOK);
         else
             result = charactersToDouble(m_string->characters16() + m_offset + start, end - start, &isResultOK);
     }
     // FIXME: It looks like callers ensure we have a valid number
     return isResultOK ? result : 0.0;
 }
 
-CSSParserString CSSTokenizerInputStream::rangeAsCSSParserString(unsigned start, unsigned length) const
+StringView CSSTokenizerInputStream::rangeAt(unsigned start, unsigned length) const
 {
     ASSERT(start + length <= m_stringLength);
-    CSSParserString result;
-    if (m_string->is8Bit())
-        result.init(m_string->characters8() + start, length);
-    else
-        result.init(m_string->characters16() + start, length);
-    return result;
+    return StringView(m_string.get(), start, length);
 }
 
 } // namespace blink