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

net/http/http_cache.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 "net/http/http_cache.h"
 
 #include <algorithm>
 
 #include "base/compiler_specific.h"
 
 #if defined(OS_POSIX)
 #include <unistd.h>
 #endif
 
 #include "base/callback.h"
 #include "base/format_macros.h"
 #include "base/message_loop.h"
 #include "base/pickle.h"
 #include "base/ref_counted.h"
 #include "base/stl_util-inl.h"
 #include "base/string_util.h"
+#include "base/string_number_conversions.h"
 #include "net/base/io_buffer.h"
 #include "net/base/load_flags.h"
 #include "net/base/net_errors.h"
 #include "net/disk_cache/disk_cache.h"
 #include "net/http/http_cache_transaction.h"
 #include "net/http/http_network_layer.h"
 #include "net/http/http_network_session.h"
 #include "net/http/http_request_info.h"
 #include "net/http/http_response_headers.h"
 #include "net/http/http_response_info.h"
@@ skipping 427 matching lines @@
   // generation number.  During playback, multiple fetches for the same
   // item will use the same generation number and pull the proper
   // instance of an URL from the cache.
   int generation = 0;
   DCHECK(playback_cache_map_ != NULL);
   if (playback_cache_map_->find(url) != playback_cache_map_->end())
     generation = (*playback_cache_map_)[url];
   (*playback_cache_map_)[url] = generation + 1;
 
   // The key into the cache is GENERATION # + METHOD + URL.
-  std::string result = IntToString(generation);
+  std::string result = base::IntToString(generation);
   result.append(request->method);
   result.append(url);
   return result;
 }
 
 int HttpCache::DoomEntry(const std::string& key, Transaction* trans) {
   // Need to abandon the ActiveEntry, but any transaction attached to the entry
   // should not be impacted.  Dooming an entry only means that it will no
   // longer be returned by FindActiveEntry (and it will also be destroyed once
   // all consumers are finished with the entry).
@@ skipping 543 matching lines @@
     // This could be an external caller or a transaction waiting on Start().
     pending_item->DoCallback(result, temp_backend_);
     pending_item->NotifyTransaction(result, NULL);
   }
 
   DeletePendingOp(pending_op);
   building_backend_ = false;
 }
 
 }  // namespace net