Move Time, TimeDelta and TimeTicks into namespace base.

base/histogram.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.
 
 // Histogram is an object that aggregates statistics, and can summarize them in
 // various forms, including ASCII graphical, HTML, and numerically (as a
 // vector of numbers corresponding to each of the aggregating buckets).
 // See header file for details and examples.
 
 #include "base/histogram.h"
 
 #include <math.h>
 #include <string>
 
 #include "base/logging.h"
 #include "base/scoped_ptr.h"
 #include "base/string_util.h"
 
+using base::TimeDelta;
+
 typedef Histogram::Count Count;
 
 // static
 const int Histogram::kHexRangePrintingFlag = 0x8000;
 
 Histogram::Histogram(const wchar_t* name, Sample minimum,
                      Sample maximum, size_t bucket_count)
   : StatsRate(name),
     histogram_name_(WideToASCII(name)),
     declared_min_(minimum),
@@ skipping 609 matching lines @@
   }
 }
 
 // static
 StatisticsRecorder::HistogramMap* StatisticsRecorder::histograms_ = NULL;
 // static
 Lock* StatisticsRecorder::lock_ = NULL;
 // static
 bool StatisticsRecorder::dump_on_exit_ = false;