Replace WTF::emptyString{16Bit}() with a static global

third_party/WebKit/Source/core/svg/SVGPathParserTest.cpp

 // Copyright 2015 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/svg/SVGPathParser.h"
 
 #include "core/svg/SVGPathStringBuilder.h"
 #include "core/svg/SVGPathStringSource.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace blink {
 
 namespace {
 
 bool parsePath(const char* input, String& output) {
   String inputString(input);
   SVGPathStringSource source(inputString);
   SVGPathStringBuilder builder;
   bool hadError = SVGPathParser::parsePath(source, builder);
   output = builder.result();
   // Coerce a null result to empty.
   if (output.isNull())
-    output = emptyString();
+    output = emptyString;
   return hadError;
 }
 
 #define VALID(input, expected)             \
   {                                        \
     String output;                         \
     EXPECT_TRUE(parsePath(input, output)); \
     EXPECT_EQ(expected, output);           \
   }
 
@@ skipping 145 matching lines @@
   EXPECT_ERROR("M0,0 A10,10 0 #,0 20,20", 14u, SVGParseStatus::ExpectedArcFlag);
   EXPECT_ERROR("M0,0 A10,10 0 0,# 20,20", 16u, SVGParseStatus::ExpectedArcFlag);
   EXPECT_ERROR("M0,0 A10,10 0 0,2 20,20", 16u, SVGParseStatus::ExpectedArcFlag);
 }
 
 #undef EXPECT_ERROR
 
 }  // namespace
 
 }  // namespace blink