diff options
Diffstat (limited to 'base/metrics/histogram.h')
| -rw-r--r-- | base/metrics/histogram.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/base/metrics/histogram.h b/base/metrics/histogram.h index 6b09aa3..7ab5a77 100644 --- a/base/metrics/histogram.h +++ b/base/metrics/histogram.h @@ -41,11 +41,12 @@ #include "base/logging.h" #include "base/time.h" -class Lock; class Pickle; namespace base { +class Lock; + //------------------------------------------------------------------------------ // Provide easy general purpose histogram in a macro, just like stats counters. // The first four macros use 50 buckets. @@ -681,7 +682,7 @@ class StatisticsRecorder { static HistogramMap* histograms_; // lock protects access to the above map. - static Lock* lock_; + static base::Lock* lock_; // Dump all known histograms to log. static bool dump_on_exit_; |