Replace CSSParserString with StringView.

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

 // Copyright 2016 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/CSSParserToken.h"
 
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace blink {
 
-static CSSParserString toParserString(const String& string)
-{
-    CSSParserString result;
-    result.init(string);
-    return result;
-}
-
-static CSSParserToken ident(const String& string) { return CSSParserToken(IdentToken, toParserString(string)); }
+static CSSParserToken ident(const String& string) { return CSSParserToken(IdentToken, string); }
 static CSSParserToken dimension(double value, const String& unit)
 {
     CSSParserToken token(NumberToken, value, NumberValueType, NoSign);
-    token.convertToDimensionWithUnit(toParserString(unit));
+    token.convertToDimensionWithUnit(unit);
     return token;
 }
 
 TEST(CSSParserTokenTest, IdentTokenEquality)
 {
     String foo8Bit("foo");
     String bar8Bit("bar");
     String foo16Bit = String::make16BitFrom8BitSource(foo8Bit.characters8(), foo8Bit.length());
 
     EXPECT_EQ(ident(foo8Bit), ident(foo16Bit));
     EXPECT_EQ(ident(foo16Bit), ident(foo8Bit));
     EXPECT_EQ(ident(foo16Bit), ident(foo16Bit));
     EXPECT_NE(ident(bar8Bit), ident(foo8Bit));
     EXPECT_NE(ident(bar8Bit), ident(foo16Bit));
 }
 
 TEST(CSSParserTokenTest, DimensionTokenEquality)
 {
     String em8Bit("em");
     String rem8Bit("rem");
     String em16Bit = String::make16BitFrom8BitSource(em8Bit.characters8(), em8Bit.length());
 
     EXPECT_EQ(dimension(1, em8Bit), dimension(1, em16Bit));
     EXPECT_EQ(dimension(1, em8Bit), dimension(1, em8Bit));
     EXPECT_NE(dimension(1, em8Bit), dimension(1, rem8Bit));
     EXPECT_NE(dimension(2, em8Bit), dimension(1, em16Bit));
 }
 
 } // namespace blink