Update data reduction proxy statistics prefs less often on desktop

components/data_reduction_proxy/browser/data_reduction_proxy_prefs.cc

Index: components/data_reduction_proxy/browser/data_reduction_proxy_prefs.cc
diff --git a/components/data_reduction_proxy/browser/data_reduction_proxy_prefs.cc b/components/data_reduction_proxy/browser/data_reduction_proxy_prefs.cc
index c4770d2cb5f9d40b6c6b45769068a74c48af7b8b..3c375b72359c8418936bdcfa6be9ff6db5ae2a63 100644
--- a/components/data_reduction_proxy/browser/data_reduction_proxy_prefs.cc
+++ b/components/data_reduction_proxy/browser/data_reduction_proxy_prefs.cc
@@ -27,6 +27,8 @@ void RegisterSyncableProfilePrefs(user_prefs::PrefRegistrySyncable* registry) {
       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 }
 
+// Add any new data reduction proxy prefs to the |pref_map_| in Init() of

[bengr, 2014/08/28 21:38:35]

This comment is wrong. You only need the comment at line 41

[megjablon, 2014/08/30 01:10:04]

Done.

+// DataReductionProxyStatisticsPrefs.
 void RegisterSimpleProfilePrefs(PrefRegistrySimple* registry) {
   registry->RegisterBooleanPref(
       data_reduction_proxy::prefs::kDataReductionProxyEnabled, false);
@@ -36,6 +38,8 @@ void RegisterSimpleProfilePrefs(PrefRegistrySimple* registry) {
       data_reduction_proxy::prefs::kDataReductionProxyWasEnabledBefore, false);
 }
 
+// Add any new data reduction proxy prefs to the |list_pref_map_| in Init() of
+// DataReductionProxyStatisticsPrefs.
 void RegisterPrefs(PrefRegistrySimple* registry) {
   registry->RegisterInt64Pref(
       prefs::kHttpReceivedContentLength, 0);