Move registration of Java mojo interfaces to the new InterfaceRegistrar.

device/battery/android/java/src/org/chromium/device/battery/BatteryMonitorFactory.java

Index: device/battery/android/java/src/org/chromium/device/battery/BatteryMonitorFactory.java
diff --git a/device/battery/android/java/src/org/chromium/device/battery/BatteryMonitorFactory.java b/device/battery/android/java/src/org/chromium/device/battery/BatteryMonitorFactory.java
index c6063278a5baaebeff9c5c85ba5e9a730e018d28..a806d39fd593a07579fb585081ab5a3faf1d66be 100644
--- a/device/battery/android/java/src/org/chromium/device/battery/BatteryMonitorFactory.java
+++ b/device/battery/android/java/src/org/chromium/device/battery/BatteryMonitorFactory.java
@@ -11,6 +11,7 @@ import org.chromium.base.ThreadUtils;
 import org.chromium.device.battery.BatteryStatusManager.BatteryStatusCallback;
 import org.chromium.mojom.device.BatteryMonitor;
 import org.chromium.mojom.device.BatteryStatus;
+import org.chromium.services.shell.InterfaceFactory;
 
 import java.util.HashSet;
 
@@ -18,7 +19,7 @@ import java.util.HashSet;
  * Factory that creates instances of BatteryMonitor implementations and notifies them about battery
  * status changes.
  */
-public class BatteryMonitorFactory {
+public class BatteryMonitorFactory implements InterfaceFactory<BatteryMonitor> {
     static final String TAG = "BatteryMonitorFactory";
 
     // Backing source of battery information.
@@ -43,7 +44,8 @@ public class BatteryMonitorFactory {
         mManager = new BatteryStatusManager(applicationContext, mCallback);
     }
 
-    public BatteryMonitor createMonitor() {
+    @Override
+    public BatteryMonitor createImpl() {
         ThreadUtils.assertOnUiThread();
 
         if (mSubscribedMonitors.isEmpty() && !mManager.start()) {