Chrome OS network metrics update

tools/metrics/histograms/histograms.xml

Index: tools/metrics/histograms/histograms.xml
diff --git a/tools/metrics/histograms/histograms.xml b/tools/metrics/histograms/histograms.xml
index 858d8f9a40fd056701dd109aeebde21ddae768ab..9ede5fa79a248f3030eb6c7417121a81e4916629 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -18995,6 +18995,15 @@ Therefore, the affected-histogram name has to have at least one dot in it.
   </summary>
 </histogram>
 
+<histogram name="Network.Shill.Cellular.DevicePresenceStatus"
+    enum="BooleanPresent">
+  <owner>zqiu@chromium.org</owner>
+  <summary>
+    Chrome OS network metric that tracks the presence of a Cellular device in
+    the system. A sample is emitted once every 3 minutes.
+  </summary>
+</histogram>
+
 <histogram name="Network.Shill.Cellular.DHCPOptionFailureDetected"
     enum="NetworkDHCPOptionFailure">
   <obsolete>
@@ -19187,6 +19196,14 @@ Therefore, the affected-histogram name has to have at least one dot in it.
   </summary>
 </histogram>
 
+<histogram name="Network.Shill.DeviceRemovedEvent" enum="DeviceTechnologyType">
+  <owner>zqiu@chromium.org</owner>
+  <summary>
+    Chrome OS network metric that tracks the network device removed events for
+    each device type.
+  </summary>
+</histogram>
+
 <histogram name="Network.Shill.DHCPClientStatus" enum="NetworkDhcpClientStatus">
   <owner>pstew@chromium.org</owner>
   <summary>
@@ -19206,6 +19223,15 @@ Therefore, the affected-histogram name has to have at least one dot in it.
   </summary>
 </histogram>
 
+<histogram name="Network.Shill.Ethernet.DevicePresenceStatus"
+    enum="BooleanPresent">
+  <owner>zqiu@chromium.org</owner>
+  <summary>
+    Chrome OS network metric that tracks the presence of an Ethernet device in
+    the system. A sample is emitted once every 3 minutes.
+  </summary>
+</histogram>
+
 <histogram name="Network.Shill.Ethernet.DHCPOptionFailureDetected"
     enum="NetworkDHCPOptionFailure">
   <obsolete>
@@ -19550,6 +19576,14 @@ Therefore, the affected-histogram name has to have at least one dot in it.
   </summary>
 </histogram>
 
+<histogram name="Network.Shill.Wifi.DevicePresenceStatus" enum="BooleanPresent">
+  <owner>zqiu@chromium.org</owner>
+  <summary>
+    Chrome OS network metric that tracks the presence of a WiFi device in the
+    system. A sample is emitted once every 3 minutes.
+  </summary>
+</histogram>
+
 <histogram name="Network.Shill.Wifi.DHCPOptionFailureDetected"
     enum="NetworkDHCPOptionFailure">
   <obsolete>
@@ -19916,7 +19950,16 @@ Therefore, the affected-histogram name has to have at least one dot in it.
   </summary>
 </histogram>
 
-<histogram name="Network.Shill.WiMax.DHCPOptionFailureDetected"
+<histogram name="Network.Shill.Wimax.DevicePresenceStatus"
+    enum="BooleanPresent">
+  <owner>zqiu@chromium.org</owner>
+  <summary>
+    Chrome OS network metric that tracks the presence of a WiMax device in the
+    system. A sample is emitted once every 3 minutes.
+  </summary>
+</histogram>
+
+<histogram name="Network.Shill.Wimax.DHCPOptionFailureDetected"
     enum="NetworkDHCPOptionFailure">
   <obsolete>
     Deprecated 5/2014, and replaced by Network.Shill.DHCPOptionFailureDetected.
@@ -19930,7 +19973,7 @@ Therefore, the affected-histogram name has to have at least one dot in it.
   </summary>
 </histogram>
 
-<histogram name="Network.Shill.WiMax.ExpiredLeaseLengthSeconds" units="seconds">
+<histogram name="Network.Shill.Wimax.ExpiredLeaseLengthSeconds" units="seconds">
   <owner>quiche@chromium.org</owner>
   <summary>
     Chrome OS network performance metric that tracks the length of a lease for a
@@ -19939,7 +19982,7 @@ Therefore, the affected-histogram name has to have at least one dot in it.
   </summary>
 </histogram>
 
-<histogram name="Network.Shill.WiMax.TimeToConfig" units="milliseconds">
+<histogram name="Network.Shill.Wimax.TimeToConfig" units="milliseconds">
   <owner>quiche@chromium.org</owner>
   <summary>
     Chrome OS network performance metric sampling the time to configure Layer 3
@@ -19947,7 +19990,7 @@ Therefore, the affected-histogram name has to have at least one dot in it.
   </summary>
 </histogram>
 
-<histogram name="Network.Shill.WiMax.TimeToInitialize" units="milliseconds">
+<histogram name="Network.Shill.Wimax.TimeToInitialize" units="milliseconds">
   <owner>quiche@chromium.org</owner>
   <summary>
     Chrome OS network performance metric sampling the time to initialize a WiMax
@@ -19955,7 +19998,7 @@ Therefore, the affected-histogram name has to have at least one dot in it.
   </summary>
 </histogram>
 
-<histogram name="Network.Shill.WiMax.TimeToOnline" units="milliseconds">
+<histogram name="Network.Shill.Wimax.TimeToOnline" units="milliseconds">
   <owner>quiche@chromium.org</owner>
   <summary>
     Chrome OS network performance metric sampling the time to determine that a
@@ -38843,6 +38886,11 @@ Therefore, the affected-histogram name has to have at least one dot in it.
   <int value="1" label="Orphan"/>
 </enum>
 
+<enum name="BooleanPresent" type="int">
+  <int value="0" label="Not Present"/>
+  <int value="1" label="Present"/>
+</enum>
+
 <enum name="BooleanProfileSignedIn" type="int">
   <int value="0" label="Profile was not Signed In"/>
   <int value="1" label="Profile was Signed In"/>
@@ -39561,6 +39609,14 @@ Therefore, the affected-histogram name has to have at least one dot in it.
   <int value="12" label="LOG_IN_STARTED_FROM_REGISTER_OVERLAY_PROMO"/>
 </enum>
 
+<enum name="DeviceTechnologyType" type="int">
+  <int value="0" label="Unknown"/>
+  <int value="1" label="Ethernet"/>
+  <int value="2" label="WiFi"/>
+  <int value="3" label="WiMax"/>
+  <int value="4" label="Cellular"/>
+</enum>
+
 <enum name="DevToolsAction" type="int">
   <int value="1" label="Window docked"/>
   <int value="2" label="Window undocked"/>
@@ -46954,25 +47010,27 @@ To add a new entry, add it with any value and run test to compute valid value.
 </enum>
 
 <enum name="NetworkServiceError" type="int">
-  <summary>
-    The error types come from the connman_service_error enum in
-    flimflam/include/service.h
-  </summary>
   <int value="0" label="UNKNOWN"/>
-  <int value="1" label="OUT_OF_RANGE"/>
-  <int value="2" label="PIN_MISSING"/>
-  <int value="3" label="DHCP_FAILED"/>
-  <int value="4" label="CONNECT_FAILED"/>
-  <int value="5" label="BAD_PASSPHRASE"/>
-  <int value="6" label="BAD_WEPKEY"/>
-  <int value="7" label="ACTIVATION_FAILED"/>
-  <int value="8" label="NEED_EVDO"/>
-  <int value="9" label="NEED_HOME_NETWORK"/>
-  <int value="10" label="OTASP_FAILED"/>
-  <int value="11" label="AAA_FAILED"/>
-  <int value="12" label="INTERNAL"/>
-  <int value="13" label="DNS_LOOKUP_FAILED"/>
-  <int value="14" label="HTTP_GET_FAILED"/>
+  <int value="1" label="AAA_FAILED"/>
+  <int value="2" label="ACTIVATION_FAILED"/>
+  <int value="3" label="BAD_PASSPHRASE"/>
+  <int value="4" label="BAD_WEPKEY"/>
+  <int value="5" label="CONNECT_FAILED"/>
+  <int value="6" label="DHCP_FAILED"/>
+  <int value="7" label="DNS_LOOKUP_FAILED"/>
+  <int value="8" label="EAP_AUTHENTICATION_FAILED"/>
+  <int value="9" label="EAP_LOCAL_TLS_FAILED"/>
+  <int value="10" label="EAP_REMOTE_TLS_FAILED"/>
+  <int value="11" label="HTTP_GET_FAILED"/>
+  <int value="12" label="IPSEC_CERT_AUTH_FAILED"/>
+  <int value="13" label="IPSEC_PSK_AUTH_FAILED"/>
+  <int value="14" label="INTERNAL"/>
+  <int value="15" label="NEED_EVDO"/>
+  <int value="16" label="NEED_HOME_NETWORK"/>
+  <int value="17" label="OTASP_FAILED"/>
+  <int value="18" label="OUT_OF_RANGE"/>
+  <int value="19" label="PPP_AUTH_FAILED"/>
+  <int value="20" label="PIN_MISSING"/>
 </enum>
 
 <enum name="NetworkTechnology" type="int">