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

chrome/browser/search/search.cc

 // Copyright 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 "chrome/browser/search/search.h"
 
 #include "base/command_line.h"
 #include "base/metrics/field_trial.h"
 #include "base/metrics/histogram.h"
 #include "base/prefs/pref_service.h"
@@ skipping 509 matching lines @@
   }
   return default_value;
 }
 
 // Given a FieldTrialFlags object, returns the uint64 value of the provided
 // flag.
 uint64 GetUInt64ValueForFlagWithDefault(const std::string& flag,
                                         uint64 default_value,
                                         const FieldTrialFlags& flags) {
   uint64 value;
-  std::string str_value = GetStringValueForFlagWithDefault(flag, "", flags);
+  std::string str_value =
+      GetStringValueForFlagWithDefault(flag, std::string(), flags);
   if (base::StringToUint64(str_value, &value))
     return value;
   return default_value;
 }
 
 // Given a FieldTrialFlags object, returns the boolean value of the provided
 // flag.
 bool GetBoolValueForFlagWithDefault(const std::string& flag,
                                     bool default_value,
                                     const FieldTrialFlags& flags) {
@@ skipping 19 matching lines @@
   replacements.SetHostStr(search_host);
   replacements.SetPortStr(search_port);
   return instant_url.ReplaceComponents(replacements);
 }
 
 bool MatchesOriginAndPath(const GURL& my_url, const GURL& other_url) {
   return MatchesOrigin(my_url, other_url) && my_url.path() == other_url.path();
 }
 
 }  // namespace chrome