Fix http://codereview.chromium.org/6869009 to ignore an existing object exactly once and land the...

net/disk_cache/stats.cc

 // Copyright (c) 2011 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/disk_cache/stats.h"
 
 #include "base/format_macros.h"
 #include "base/logging.h"
 #include "base/string_util.h"
 #include "base/stringprintf.h"
@@ skipping 133 matching lines @@
   // simultaneous objects with the current infrastructure.
   static bool first_time = true;
   if (first_time) {
     first_time = false;
     // ShouldReportAgain() will re-enter this object.
     if (!size_histogram_ && backend->cache_type() == net::DISK_CACHE &&
         backend->ShouldReportAgain()) {
       // Stats may be reused when the cache is re-created, but we want only one
       // histogram at any given time.
       size_histogram_ =
-          StatsHistogram::StatsHistogramFactoryGet("DiskCache.SizeStats");
+          StatsHistogram::FactoryGet("DiskCache.SizeStats");
       size_histogram_->Init(this);
     }
   }
 
   return true;
 }
 
 void Stats::ModifyStorageStats(int32 old_size, int32 new_size) {
   // We keep a counter of the data block size on an array where each entry is
   // the adjusted log base 2 of the size. The first entry counts blocks of 256
@@ skipping 155 matching lines @@
 int Stats::GetRatio(Counters hit, Counters miss) const {
   int64 ratio = GetCounter(hit) * 100;
   if (!ratio)
     return 0;
 
   ratio /= (GetCounter(hit) + GetCounter(miss));
   return static_cast<int>(ratio);
 }
 
 }  // namespace disk_cache