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

chrome/browser/prefs/command_line_pref_store_unittest.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 <gtest/gtest.h>
 
 #include "base/command_line.h"
 #include "base/memory/ref_counted.h"
 #include "base/string_util.h"
 #include "base/values.h"
@@ skipping 98 matching lines @@
   EXPECT_FALSE(store->GetValue(unknown_bool, &actual));
   EXPECT_FALSE(store->GetValue(unknown_string, &actual));
 
   store->VerifyProxyMode(ProxyPrefs::MODE_FIXED_SERVERS);
 
   const Value* value = NULL;
   ASSERT_TRUE(store->GetValue(prefs::kProxy, &value));
   ASSERT_EQ(Value::TYPE_DICTIONARY, value->GetType());
   ProxyConfigDictionary dict(static_cast<const DictionaryValue*>(value));
 
-  std::string string_result = "";
+  std::string string_result;
 
   ASSERT_TRUE(dict.GetProxyServer(&string_result));
   EXPECT_EQ("proxy", string_result);
 
   ASSERT_TRUE(dict.GetBypassList(&string_result));
   EXPECT_EQ("list", string_result);
 }
 
 // Tests proxy switch validation.
 TEST(CommandLinePrefStoreTest, ProxySwitchValidation) {
@@ skipping 35 matching lines @@
       new TestCommandLinePrefStore(&cl1);
   store1->VerifyProxyMode(ProxyPrefs::MODE_FIXED_SERVERS);
 
   CommandLine cl2(CommandLine::NO_PROGRAM);
   cl2.AppendSwitchASCII(switches::kProxyPacUrl, "proxy");
   scoped_refptr<TestCommandLinePrefStore> store2 =
         new TestCommandLinePrefStore(&cl2);
   store2->VerifyProxyMode(ProxyPrefs::MODE_PAC_SCRIPT);
 
   CommandLine cl3(CommandLine::NO_PROGRAM);
-  cl3.AppendSwitchASCII(switches::kProxyServer, "");
+  cl3.AppendSwitchASCII(switches::kProxyServer, std::string());
   scoped_refptr<TestCommandLinePrefStore> store3 =
-        new TestCommandLinePrefStore(&cl3);
+      new TestCommandLinePrefStore(&cl3);
   store3->VerifyProxyMode(ProxyPrefs::MODE_DIRECT);
 }
 
 TEST(CommandLinePrefStoreTest, DisableSSLCipherSuites) {
   CommandLine cl1(CommandLine::NO_PROGRAM);
   cl1.AppendSwitchASCII(switches::kCipherSuiteBlacklist,
                         "0x0004,0x0005");
   scoped_refptr<TestCommandLinePrefStore> store1 =
       new TestCommandLinePrefStore(&cl1);
   const char* const expected_ciphers1[] = {
@@ skipping 20 matching lines @@
   cl3.AppendSwitchASCII(switches::kCipherSuiteBlacklist,
                         "0x0004;MOAR;0x0005");
   scoped_refptr<TestCommandLinePrefStore> store3 =
       new TestCommandLinePrefStore(&cl3);
   const char* const expected_ciphers3[] = {
     "0x0004;MOAR;0x0005"
   };
   store3->VerifySSLCipherSuites(expected_ciphers3,
                                 arraysize(expected_ciphers3));
 }