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

chrome/test/reliability/automated_ui_tests.cc

 // Copyright (c) 2012 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 <fstream>
 #include <string>
 #include <vector>
 
 #include "base/command_line.h"
 #include "base/environment.h"
@@ skipping 487 matching lines @@
   }
 
   return did_complete_action;
 }
 
 bool AutomatedUITest::ChangeEncoding() {
   // Get the encoding list that is used to populate the UI (encoding menu)
   std::string cur_locale = g_browser_process->GetApplicationLocale();
   const std::vector<CharacterEncoding::EncodingInfo>* encodings =
       CharacterEncoding::GetCurrentDisplayEncodings(
-          cur_locale, "ISO-8859-1,windows-1252", "");
+          cur_locale, "ISO-8859-1,windows-1252", std::string());
   DCHECK(encodings);
   DCHECK(!encodings->empty());
   unsigned len = static_cast<unsigned>(encodings->size());
 
   // The vector will contain mostly IDC values for encoding commands plus a few
   // menu separators (0 values). If we hit a separator we just retry.
   int index = base::RandInt(0, len);
   while ((*encodings)[index].encoding_id == 0) {
     index = base::RandInt(0, len);
   }
@@ skipping 290 matching lines @@
   }
 }
 
 TEST_F(AutomatedUITest, TheOneAndOnlyTest) {
   const CommandLine& parsed_command_line = *CommandLine::ForCurrentProcess();
   if (parsed_command_line.HasSwitch(kReproSwitch))
     RunReproduction();
   else
     RunAutomatedUITest();
 }