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

base/version.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 "base/version.h"
 
 #include "base/logging.h"
+#include "base/string_number_conversions.h"
 #include "base/string_util.h"
+#include "base/utf_string_conversions.h"
 
 // static
 Version* Version::GetVersionFromString(const std::wstring& version_str) {
   if (!IsStringASCII(version_str))
     return NULL;
-  return GetVersionFromString(WideToASCII(version_str));
+  return GetVersionFromString(WideToUTF8(version_str));
 }
 
 // static
 Version* Version::GetVersionFromString(const std::string& version_str) {
   Version* vers = new Version();
   if (vers->InitFromString(version_str)) {
     DCHECK(vers->is_valid_);
     return vers;
   }
   delete vers;
@@ skipping 28 matching lines @@
         return -1;
   }
   return 0;
 }
 
 const std::string Version::GetString() const {
   DCHECK(is_valid_);
   std::string version_str;
   int count = components_.size();
   for (int i = 0; i < count - 1; ++i) {
-    version_str.append(IntToString(components_[i]));
+    version_str.append(base::IntToString(components_[i]));
     version_str.append(".");
   }
-  version_str.append(IntToString(components_[count - 1]));
+  version_str.append(base::IntToString(components_[count - 1]));
   return version_str;
 }
 
 bool Version::InitFromString(const std::string& version_str) {
   DCHECK(!is_valid_);
   std::vector<std::string> numbers;
   SplitString(version_str, '.', &numbers);
   if (numbers.empty())
     return false;
   for (std::vector<std::string>::iterator i = numbers.begin();
        i != numbers.end(); ++i) {
     int num;
-    if (!StringToInt(*i, &num))
+    if (!base::StringToInt(*i, &num))
       return false;
     if (num < 0)
       return false;
     const uint16 max = 0xFFFF;
     if (num > max)
       return false;
     // This throws out things like +3, or 032.
-    if (IntToString(num) != *i)
+    if (base::IntToString(num) != *i)
       return false;
     uint16 component = static_cast<uint16>(num);
     components_.push_back(component);
   }
   is_valid_ = true;
   return true;
 }