1 files changed, 12 insertions, 1 deletions
diff --git a/base/metrics/histogram_base.cc b/base/metrics/histogram_base.cc
index 42d793e..6032a35 100644
--- a/base/metrics/histogram_base.cc
+++ b/base/metrics/histogram_base.cc
@@ -4,13 +4,24 @@
 
 #include "base/metrics/histogram_base.h"
 
+#include <climits>
+
 namespace base {
 
 const HistogramBase::Sample HistogramBase::kSampleType_MAX = INT_MAX;
 
 HistogramBase::HistogramBase(const std::string& name)
-    : histogram_name_(name) {}
+    : histogram_name_(name),
+      flags_(kNoFlags) {}
 
 HistogramBase::~HistogramBase() {}
 
+void HistogramBase::SetFlags(int32 flags) {
+  flags_ |= flags;
+}
+
+void HistogramBase::ClearFlags(int32 flags) {
+  flags_ &= ~flags;
+}
+
 }  // namespace base