remove TimeToDrop support

metrics_daemon.h

Index: metrics_daemon.h
diff --git a/metrics_daemon.h b/metrics_daemon.h
index d400bf0f0e602baac79e28bfb8be15d5210a59ba..5f2e7868a9aed95793ea023f1863f2503326ccde 100644
--- a/metrics_daemon.h
+++ b/metrics_daemon.h
@@ -42,13 +42,10 @@ class MetricsDaemon {
   FRIEND_TEST(MetricsDaemonTest, ComputeEpochNoLast);
   FRIEND_TEST(MetricsDaemonTest, GetHistogramPath);
   FRIEND_TEST(MetricsDaemonTest, IsNewEpoch);
-  FRIEND_TEST(MetricsDaemonTest, LookupNetworkState);
   FRIEND_TEST(MetricsDaemonTest, LookupPowerState);
   FRIEND_TEST(MetricsDaemonTest, LookupScreenSaverState);
   FRIEND_TEST(MetricsDaemonTest, LookupSessionState);
   FRIEND_TEST(MetricsDaemonTest, MessageFilter);
-  FRIEND_TEST(MetricsDaemonTest, NetStateChangedSimpleDrop);
-  FRIEND_TEST(MetricsDaemonTest, NetStateChangedSuspend);
   FRIEND_TEST(MetricsDaemonTest, PowerStateChanged);
   FRIEND_TEST(MetricsDaemonTest, ProcessKernelCrash);
   FRIEND_TEST(MetricsDaemonTest, ProcessUncleanShutdown);
@@ -64,14 +61,6 @@ class MetricsDaemon {
   FRIEND_TEST(MetricsDaemonTest, SetUserActiveState);
   FRIEND_TEST(MetricsDaemonTest, SetUserActiveStateTimeJump);
 
-  // The network states (see network_states.h).
-  enum NetworkState {
-    kUnknownNetworkState = -1, // Initial/unknown network state.
-#define STATE(name, capname) kNetworkState ## capname,
-#include "network_states.h"
-    kNumberNetworkStates
-  };
-
   // The power states (see power_states.h).
   enum PowerState {
     kUnknownPowerState = -1, // Initial/unknown power state.
@@ -116,10 +105,6 @@ class MetricsDaemon {
   static const char kMetricKernelCrashesWeeklyName[];
   static const char kMetricKernelCrashIntervalName[];
   static const char kMetricsPath[];
-  static const int  kMetricTimeToNetworkDropBuckets;
-  static const int  kMetricTimeToNetworkDropMax;
-  static const int  kMetricTimeToNetworkDropMin;
-  static const char kMetricTimeToNetworkDropName[];
   static const char kMetricUncleanShutdownIntervalName[];
   static const char kMetricUncleanShutdownsDailyName[];
   static const char kMetricUncleanShutdownsWeeklyName[];
@@ -130,9 +115,6 @@ class MetricsDaemon {
   // D-Bus message match strings.
   static const char* kDBusMatches_[];
 
-  // Array of network states.
-  static const char* kNetworkStates_[kNumberNetworkStates];
-
   // Array of power states.
   static const char* kPowerStates_[kNumberPowerStates];
 
@@ -161,12 +143,6 @@ class MetricsDaemon {
                                          DBusMessage* message,
                                          void* user_data);
 
-  // Processes network state change.
-  void NetStateChanged(const char* state_name, base::TimeTicks ticks);
-
-  // Given the state name, returns the state id.
-  NetworkState LookupNetworkState(const char* state_name);
-
   // Processes power state change.
   void PowerStateChanged(const char* state_name, base::Time now);
 
@@ -247,9 +223,6 @@ class MetricsDaemon {
   // The metrics library handle.
   MetricsLibraryInterface* metrics_lib_;
 
-  // Current network state.
-  NetworkState network_state_;
-
   // Timestamps last network state update.  This timestamp is used to
   // sample the time from the network going online to going offline so
   // TimeTicks ensures a monotonically increasing TimeDelta.