Switch to standard integer types in base/.

base/metrics/histogram_macros.h

 // Copyright 2014 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.
 
 #ifndef BASE_METRICS_HISTOGRAM_MACROS_H_
 #define BASE_METRICS_HISTOGRAM_MACROS_H_
 
 #include "base/atomicops.h"
-#include "base/basictypes.h"
 #include "base/logging.h"
 #include "base/metrics/histogram.h"
 #include "base/time/time.h"
 
 //------------------------------------------------------------------------------
 // Histograms are often put in areas where they are called many many times, and
 // performance is critical.  As a result, they are designed to have a very low
 // recurring cost of executing (adding additional samples).  Toward that end,
 // the macros declare a static pointer to the histogram in question, and only
 // take a "slow path" to construct (or find) the histogram on the first run
@@ skipping 241 matching lines @@
         UMA_HISTOGRAM_LONG_TIMES_100(name, elapsed); \
       } else { \
         UMA_HISTOGRAM_TIMES(name, elapsed); \
       } \
     } \
    private: \
     base::TimeTicks constructed_; \
   } scoped_histogram_timer_##key
 
 #endif  // BASE_METRICS_HISTOGRAM_MACROS_H_