Move the number conversions from string_util to a new file....

chrome/browser/safe_browsing/chunk_range.cc

 // Copyright (c) 2006-2008 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.
 //
 // Implementation of ChunkRange class.
 
 #include "chrome/browser/safe_browsing/chunk_range.h"
 
 #include "base/logging.h"
+#include "base/string_number_conversions.h"
 #include "base/string_util.h"
 
 ChunkRange::ChunkRange(int start) : start_(start), stop_(start) {
 }
 
 ChunkRange::ChunkRange(int start, int stop) : start_(start), stop_(stop) {
 }
 
 ChunkRange::ChunkRange(const ChunkRange& rhs)
     : start_(rhs.start()), stop_(rhs.stop()) {
@@ skipping 34 matching lines @@
 
 void RangesToString(const std::vector<ChunkRange>& ranges,
                     std::string* result) {
   DCHECK(result);
   result->clear();
   std::vector<ChunkRange>::const_iterator it = ranges.begin();
   for (; it != ranges.end(); ++it) {
     if (!result->empty())
       result->append(",");
     if (it->start() == it->stop()) {
-      std::string num_buf = IntToString(it->start());
+      std::string num_buf = base::IntToString(it->start());
       result->append(num_buf);
     } else {
       result->append(StringPrintf("%d-%d", it->start(), it->stop()));
     }
   }
 }
 
 bool StringToRanges(const std::string& input,
                     std::vector<ChunkRange>* ranges) {
   DCHECK(ranges);
@@ skipping 38 matching lines @@
 
     // Adjust our mid point.
     if (chunk.stop() < chunk_number)
       low = mid + 1;
     else
       high = mid - 1;
   }
 
   return false;
 }