diff --git a/cmds/statsd/src/atoms.proto b/cmds/statsd/src/atoms.proto
index 4f17d69..d0974d6 100644
--- a/cmds/statsd/src/atoms.proto
+++ b/cmds/statsd/src/atoms.proto
@@ -41,12 +41,13 @@
 import "frameworks/base/core/proto/android/service/usb.proto";
 import "frameworks/base/core/proto/android/stats/enums.proto";
 import "frameworks/base/core/proto/android/stats/docsui/docsui_enums.proto";
+import "frameworks/base/core/proto/android/stats/devicepolicy/device_policy.proto";
+import "frameworks/base/core/proto/android/stats/devicepolicy/device_policy_enums.proto";
 import "frameworks/base/core/proto/android/stats/launcher/launcher.proto";
 import "frameworks/base/core/proto/android/telecomm/enums.proto";
 import "frameworks/base/core/proto/android/telephony/enums.proto";
 import "frameworks/base/core/proto/android/view/enums.proto";
-import "frameworks/base/core/proto/android/stats/devicepolicy/device_policy_enums.proto";
-import "frameworks/base/core/proto/android/stats/devicepolicy/device_policy.proto";
+import "frameworks/base/core/proto/android/wifi/enums.proto";
 
 /**
  * The master atom class. This message defines all of the available
@@ -994,6 +995,9 @@
         ON = 1;
     }
     optional State state = 2;
+
+    // WifiLock type, from frameworks/base/core/proto/android/wifi/enums.proto.
+    optional android.net.wifi.WifiModeEnum mode = 3;
 }
 
 /**
diff --git a/core/java/com/android/internal/os/BatteryStatsImpl.java b/core/java/com/android/internal/os/BatteryStatsImpl.java
index 650a194..52e1748 100644
--- a/core/java/com/android/internal/os/BatteryStatsImpl.java
+++ b/core/java/com/android/internal/os/BatteryStatsImpl.java
@@ -6117,8 +6117,6 @@
         for (int i=0; i<N; i++) {
             final int uid = mapUid(ws.get(i));
             noteFullWifiLockAcquiredLocked(uid);
-            StatsLog.write_non_chained(StatsLog.WIFI_LOCK_STATE_CHANGED, ws.get(i), ws.getName(i),
-                    StatsLog.WIFI_LOCK_STATE_CHANGED__STATE__ON);
         }
 
         final List<WorkChain> workChains = ws.getWorkChains();
@@ -6127,9 +6125,6 @@
                 final WorkChain workChain = workChains.get(i);
                 final int uid = mapUid(workChain.getAttributionUid());
                 noteFullWifiLockAcquiredLocked(uid);
-                StatsLog.write(StatsLog.WIFI_LOCK_STATE_CHANGED,
-                        workChain.getUids(), workChain.getTags(),
-                        StatsLog.WIFI_LOCK_STATE_CHANGED__STATE__ON);
             }
         }
     }
@@ -6139,8 +6134,6 @@
         for (int i=0; i<N; i++) {
             final int uid = mapUid(ws.get(i));
             noteFullWifiLockReleasedLocked(uid);
-            StatsLog.write_non_chained(StatsLog.WIFI_LOCK_STATE_CHANGED, ws.get(i), ws.getName(i),
-                    StatsLog.WIFI_LOCK_STATE_CHANGED__STATE__OFF);
         }
 
         final List<WorkChain> workChains = ws.getWorkChains();
@@ -6149,9 +6142,6 @@
                 final WorkChain workChain = workChains.get(i);
                 final int uid = mapUid(workChain.getAttributionUid());
                 noteFullWifiLockReleasedLocked(uid);
-                StatsLog.write(StatsLog.WIFI_LOCK_STATE_CHANGED,
-                        workChain.getUids(), workChain.getTags(),
-                        StatsLog.WIFI_LOCK_STATE_CHANGED__STATE__OFF);
             }
         }
     }
diff --git a/core/proto/android/wifi/enums.proto b/core/proto/android/wifi/enums.proto
new file mode 100644
index 0000000..315c579
--- /dev/null
+++ b/core/proto/android/wifi/enums.proto
@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+syntax = "proto2";
+package android.net.wifi;
+
+option java_outer_classname = "WifiProtoEnums";
+option java_multiple_files = true;
+
+/**
+ * Wifi Lock modes, primarily used in
+ * frameworks/opt/net/wifi/service/java/com/android/server/wifi/WifiLockManager.java.
+ */
+enum WifiModeEnum {
+    /**
+     * Deprecated.
+     * Wi-Fi will be kept active, and will behave normally.
+     */
+    WIFI_MODE_FULL = 1 [deprecated=true];
+
+    /**
+     * Deprecated.
+     * Wi-Fi will be kept active, but the only operation that will be supported is initiation of
+     * scans, and the subsequent reporting of scan results.
+     */
+    WIFI_MODE_SCAN_ONLY = 2 [deprecated=true];
+
+    /**
+     * Wi-Fi will not go to power save.
+     */
+    WIFI_MODE_FULL_HIGH_PERF = 3;
+
+    /**
+     * Wi-Fi will operate with a priority to achieve low latency.
+     */
+    WIFI_MODE_FULL_LOW_LATENCY = 4;
+}
diff --git a/wifi/java/android/net/wifi/WifiManager.java b/wifi/java/android/net/wifi/WifiManager.java
index 289f99d..1273a4a 100644
--- a/wifi/java/android/net/wifi/WifiManager.java
+++ b/wifi/java/android/net/wifi/WifiManager.java
@@ -981,7 +981,7 @@
      * @deprecated This API is non-functional and will have no impact.
      */
     @Deprecated
-    public static final int WIFI_MODE_FULL = 1;
+    public static final int WIFI_MODE_FULL = WifiProtoEnums.WIFI_MODE_FULL; // 1
 
     /**
      * In this Wi-Fi lock mode, Wi-Fi will be kept active,
@@ -995,7 +995,7 @@
      * @deprecated This API is non-functional and will have no impact.
      */
     @Deprecated
-    public static final int WIFI_MODE_SCAN_ONLY = 2;
+    public static final int WIFI_MODE_SCAN_ONLY = WifiProtoEnums.WIFI_MODE_SCAN_ONLY; // 2
 
     /**
      * In this Wi-Fi lock mode, Wi-Fi will not go to power save.
@@ -1013,7 +1013,7 @@
      * When there is no support from the hardware, the {@link #WIFI_MODE_FULL_HIGH_PERF}
      * lock will have no impact.
      */
-    public static final int WIFI_MODE_FULL_HIGH_PERF = 3;
+    public static final int WIFI_MODE_FULL_HIGH_PERF = WifiProtoEnums.WIFI_MODE_FULL_HIGH_PERF; // 3
 
     /**
      * In this Wi-Fi lock mode, Wi-Fi will operate with a priority to achieve low latency.
@@ -1045,7 +1045,8 @@
      * lock will be effective when app is running in foreground and screen is on,
      * while the {@link #WIFI_MODE_FULL_HIGH_PERF} lock will take effect otherwise.
      */
-    public static final int WIFI_MODE_FULL_LOW_LATENCY = 4;
+    public static final int WIFI_MODE_FULL_LOW_LATENCY =
+            WifiProtoEnums.WIFI_MODE_FULL_LOW_LATENCY; // 4
 
     /** Anything worse than or equal to this will show 0 bars. */
     @UnsupportedAppUsage