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

base/metrics/stats_counters.cc

 // Copyright (c) 2010 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/metrics/stats_counters.h"
 
 namespace base {
 
 StatsCounter::StatsCounter(const std::string& name)
     : counter_id_(-1) {
@@ skipping 27 matching lines @@
 
 int* StatsCounter::GetPtr() {
   StatsTable* table = StatsTable::current();
   if (!table)
     return NULL;
 
   // If counter_id_ is -1, then we haven't looked it up yet.
   if (counter_id_ == -1) {
     counter_id_ = table->FindCounter(name_);
     if (table->GetSlot() == 0) {
-      if (!table->RegisterThread("")) {
+      if (!table->RegisterThread(std::string())) {
         // There is no room for this thread.  This thread
         // cannot use counters.
         counter_id_ = 0;
         return NULL;
       }
     }
   }
 
   // If counter_id_ is > 0, then we have a valid counter.
   if (counter_id_ > 0)
@@ skipping 57 matching lines @@
 }
 
 void StatsRate::Add(int value) {
   counter_.Increment();
   StatsCounterTimer::Add(value);
   if (value > largest_add_.value())
     largest_add_.Set(value);
 }
 
 }  // namespace base