Update code that previously constructed strings from string iterators only to...

net/ftp/ftp_util.cc

 // Copyright (c) 2009 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 "net/ftp/ftp_util.h"
 
 #include <vector>
 
 #include "base/logging.h"
 #include "base/string_number_conversions.h"
@@ skipping 144 matching lines @@
 
   if (!ThreeLetterMonthToNumber(month, &time_exploded.month))
     return false;
 
   if (!base::StringToInt(day, &time_exploded.day_of_month))
     return false;
 
   if (!base::StringToInt(rest, &time_exploded.year)) {
     // Maybe it's time. Does it look like time (HH:MM)?
     if (rest.length() == 5 && rest[2] == ':') {
-      if (!base::StringToInt(rest.substr(0, 2), &time_exploded.hour))
+      if (!base::StringToInt(rest.begin(),
+                             rest.begin() + 2,
+                             &time_exploded.hour))
         return false;
 
-      if (!base::StringToInt(rest.substr(3, 2), &time_exploded.minute))
+      if (!base::StringToInt(rest.begin() + 3,
+                             rest.begin() + 5,
+                             &time_exploded.minute))
         return false;
     } else if (rest.length() == 4 && rest[1] == ':') {
       // Sometimes it's just H:MM.
-      if (!base::StringToInt(rest.substr(0, 1), &time_exploded.hour))
+      if (!base::StringToInt(rest.begin(),
+                             rest.begin() + 1,
+                             &time_exploded.hour))
         return false;
 
-      if (!base::StringToInt(rest.substr(2, 2), &time_exploded.minute))
+      if (!base::StringToInt(rest.begin() + 2,
+                             rest.begin() + 4,
+                             &time_exploded.minute))
         return false;
     } else {
       return false;
     }
 
     // Guess the year.
     base::Time::Exploded current_exploded;
     current_time.LocalExplode(&current_exploded);
 
     // If it's not possible for the parsed date to be in the current year,
@@ skipping 25 matching lines @@
     while (pos < text.length() && !isspace(text[pos]))
       pos++;
   }
 
   string16 result(text.substr(pos));
   TrimWhitespace(result, TRIM_ALL, &result);
   return result;
 }
 
 }  // namespace