Rewrite std::string("") to std::string(), Linux edition.

base/i18n/char_iterator_unittest.cc

 // Copyright (c) 2011 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 "base/i18n/char_iterator.h"
 
 #include "base/utf_string_conversions.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace base {
 namespace i18n {
 
 TEST(CharIteratorsTest, TestUTF8) {
-  std::string empty("");
+  std::string empty;
   UTF8CharIterator empty_iter(&empty);
   ASSERT_TRUE(empty_iter.end());
   ASSERT_EQ(0, empty_iter.array_pos());
   ASSERT_EQ(0, empty_iter.char_pos());
   ASSERT_FALSE(empty_iter.Advance());
 
   std::string str("s\303\273r");  // [u with circumflex]
   UTF8CharIterator iter(&str);
   ASSERT_FALSE(iter.end());
   ASSERT_EQ(0, iter.array_pos());
@@ skipping 67 matching lines @@
   ASSERT_EQ(4, iter.char_pos());
 
   // Don't care what it returns, but this shouldn't crash
   iter.get();
 
   ASSERT_FALSE(iter.Advance());
 }
 
 }  // namespace i18n
 }  // namespace base