Rename BASE_API to BASE_EXPORT.

base/metrics/histogram.h

Index: base/metrics/histogram.h
===================================================================
--- base/metrics/histogram.h	(revision 95578)
+++ base/metrics/histogram.h	(working copy)
@@ -45,7 +45,7 @@
 #include <string>
 #include <vector>
 
-#include "base/base_api.h"
+#include "base/base_export.h"
 #include "base/gtest_prod_util.h"
 #include "base/logging.h"
 #include "base/time.h"
@@ -266,7 +266,7 @@
 class Histogram;
 class LinearHistogram;
 
-class BASE_API Histogram {
+class BASE_EXPORT Histogram {
  public:
   typedef int Sample;  // Used for samples (and ranges of samples).
   typedef int Count;  // Used to count samples in a bucket.
@@ -325,7 +325,7 @@
   //----------------------------------------------------------------------------
   // Statistic values, developed over the life of the histogram.
 
-  class BASE_API SampleSet {
+  class BASE_EXPORT SampleSet {
    public:
     explicit SampleSet();
     ~SampleSet();
@@ -584,7 +584,7 @@
 
 // LinearHistogram is a more traditional histogram, with evenly spaced
 // buckets.
-class BASE_API LinearHistogram : public Histogram {
+class BASE_EXPORT LinearHistogram : public Histogram {
  public:
   virtual ~LinearHistogram();
 
@@ -640,7 +640,7 @@
 //------------------------------------------------------------------------------
 
 // BooleanHistogram is a histogram for booleans.
-class BASE_API BooleanHistogram : public LinearHistogram {
+class BASE_EXPORT BooleanHistogram : public LinearHistogram {
  public:
   static Histogram* FactoryGet(const std::string& name, Flags flags);
 
@@ -657,7 +657,7 @@
 //------------------------------------------------------------------------------
 
 // CustomHistogram is a histogram for a set of custom integers.
-class BASE_API CustomHistogram : public Histogram {
+class BASE_EXPORT CustomHistogram : public Histogram {
  public:
 
   static Histogram* FactoryGet(const std::string& name,
@@ -691,7 +691,7 @@
 // general place for histograms to register, and supports a global API for
 // accessing (i.e., dumping, or graphing) the data in all the histograms.
 
-class BASE_API StatisticsRecorder {
+class BASE_EXPORT StatisticsRecorder {
  public:
   typedef std::vector<Histogram*> Histograms;