Added namespace browsing_data_counter_utils

chrome/browser/browsing_data/browsing_data_counter_utils.h

Index: chrome/browser/browsing_data/browsing_data_counter_utils.h
diff --git a/chrome/browser/browsing_data/browsing_data_counter_utils.h b/chrome/browser/browsing_data/browsing_data_counter_utils.h
index d71d24b30e1323767b02ad1356d078dfca5b7998..12fae24f5533b59a8e0e8ae356e93974c034d76e 100644
--- a/chrome/browser/browsing_data/browsing_data_counter_utils.h
+++ b/chrome/browser/browsing_data/browsing_data_counter_utils.h
@@ -8,6 +8,8 @@
 #include "base/strings/string16.h"
 #include "chrome/browser/browsing_data/browsing_data_counter.h"
 
+namespace browsing_data_counter_utils {
+
 // Whether the browsing data counters experiment is enabled.
 bool AreCountersEnabled();
 
@@ -40,4 +42,6 @@ bool GetDeletionPreferenceFromDataType(
 // related to a given deletion preference |pref_name|.
 BrowsingDataCounter* CreateCounterForPreference(std::string pref_name);
 
+}  // namespace browsing_data_counter_utils
+
 #endif  // CHROME_BROWSER_BROWSING_DATA_BROWSING_DATA_COUNTER_UTILS_H_