cashew: add local byte counters

src/default_policy.cc

Index: src/default_policy.cc
diff --git a/src/default_policy.cc b/src/default_policy.cc
index d165a90d4f4d9103daf1f2b96d416b980ce7adab..9dee9d0eb099d13c06f812a8c7680f470b333570 100644
--- a/src/default_policy.cc
+++ b/src/default_policy.cc
@@ -10,7 +10,7 @@ namespace cashew {
 
 // default update timer interval in seconds
 static const guint kSecondsPerMinute = 60;
-static const guint kDefaultPolicyUpdateTimerIdleSecs = 10 * kSecondsPerMinute;
+static const guint kDefaultPolicyUpdateTimerIdleSecs = 1 * kSecondsPerMinute;
 
 DefaultPolicy::DefaultPolicy(const std::string& carrier) : carrier_(carrier) {
 }
@@ -26,16 +26,11 @@ guint DefaultPolicy::GetUpdateTimerIdleSecs(const DataPlanList& plans) const {
   return kDefaultPolicyUpdateTimerIdleSecs;
 }
 
-bool DefaultPolicy::ShouldEmitDataPlansUpdate(const DataPlanList& old_plans,
-    const DataPlanList& new_plans) const {
+bool DefaultPolicy::ShouldEmitDataPlansUpdate(const DataPlanList& plans) const {
   // unconditionally send an update
   return true;
 }
 
-bool DefaultPolicy::UsageRequestsMustBeSentOTA() const {
-  return true;
-}
-
 bool DefaultPolicy::ZonelessTimeStringsAreLocal() const {
   return true;
 }