Revert histograms for crbug.com/677365 as they're no longer needed.

net/android/java/src/org/chromium/net/NetworkChangeNotifierAutoDetect.java

Index: net/android/java/src/org/chromium/net/NetworkChangeNotifierAutoDetect.java
diff --git a/net/android/java/src/org/chromium/net/NetworkChangeNotifierAutoDetect.java b/net/android/java/src/org/chromium/net/NetworkChangeNotifierAutoDetect.java
index ca9f7dcd7eefcd0ebc5d8762790a33f907750cb4..014871777a2afbbbc62c655bb6250065e7ca3dad 100644
--- a/net/android/java/src/org/chromium/net/NetworkChangeNotifierAutoDetect.java
+++ b/net/android/java/src/org/chromium/net/NetworkChangeNotifierAutoDetect.java
@@ -86,14 +86,6 @@ public class NetworkChangeNotifierAutoDetect extends BroadcastReceiver {
 
     /** Queries the ConnectivityManager for information about the current connection. */
     static class ConnectivityManagerDelegate {
-        private static final int NETWORK_INFO_DISCONNECTED = 0;
-        private static final int NETWORK_INFO_CONNECTED = 1;
-        private static final int NETWORK_INFO_ANDROID_API_LEVEL_TOO_OLD_FOR_UNBLOCKING = 2;
-        private static final int NETWORK_INFO_NOT_BLOCKED = 3;
-        private static final int NETWORK_INFO_APP_NOT_IN_FOREGROUND = 4;
-        private static final int NETWORK_INFO_UNBLOCKED = 5;
-        private static final int NETWORK_INFO_BOUNDARY = 6;
-
         private final ConnectivityManager mConnectivityManager;
 
         ConnectivityManagerDelegate(Context context) {
@@ -114,12 +106,10 @@ public class NetworkChangeNotifierAutoDetect extends BroadcastReceiver {
         private NetworkInfo getActiveNetworkInfo() {
             final NetworkInfo networkInfo = mConnectivityManager.getActiveNetworkInfo();
             if (networkInfo == null) {
-                recordGetActiveNetworkInfoResult(NETWORK_INFO_DISCONNECTED);
                 return null;
             }
 
             if (networkInfo.isConnected()) {
-                recordGetActiveNetworkInfoResult(NETWORK_INFO_CONNECTED);
                 return networkInfo;
             }
 
@@ -128,38 +118,23 @@ public class NetworkChangeNotifierAutoDetect extends BroadcastReceiver {
             // meant for apps in the background.  See https://crbug.com/677365 for more details.
             if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
                 // https://crbug.com/677365 primarily affects only Lollipop and higher versions.
-                recordGetActiveNetworkInfoResult(
-                        NETWORK_INFO_ANDROID_API_LEVEL_TOO_OLD_FOR_UNBLOCKING);
                 return null;
             }
 
             if (networkInfo.getDetailedState() != NetworkInfo.DetailedState.BLOCKED) {
                 // Network state is not blocked which implies that network access is
                 // unavailable (not just blocked to this app).
-                recordGetActiveNetworkInfoResult(NETWORK_INFO_NOT_BLOCKED);
                 return null;
             }
 
             if (ApplicationStatus.getStateForApplication()
                     != ApplicationState.HAS_RUNNING_ACTIVITIES) {
                 // The app is not in the foreground.
-                recordGetActiveNetworkInfoResult(NETWORK_INFO_APP_NOT_IN_FOREGROUND);
                 return null;
             }
-            recordGetActiveNetworkInfoResult(NETWORK_INFO_UNBLOCKED);
             return networkInfo;
         }
 
-        /**
-         * Records the result of querying the network info of the current active network.
-         * @param result Result of querying the network info of the current active network.
-         */
-        private static void recordGetActiveNetworkInfoResult(int result) {
-            assert result >= 0 && result < NETWORK_INFO_BOUNDARY;
-            RecordHistogram.recordEnumeratedHistogram(
-                    "NCN.GetActiveNetworkInfoResult", result, NETWORK_INFO_BOUNDARY);
-        }
-
         /**
          * Returns connection type and status information about the current
          * default network.