[webnfc] Implement push method for Android nfc mojo service.

content/public/android/java/src/org/chromium/content/browser/ServiceRegistrar.java

Index: content/public/android/java/src/org/chromium/content/browser/ServiceRegistrar.java
diff --git a/content/public/android/java/src/org/chromium/content/browser/ServiceRegistrar.java b/content/public/android/java/src/org/chromium/content/browser/ServiceRegistrar.java
index e8c279eba71fe6d02ad850868bec051be71ac3e7..51a9992e748e9ec48c321ee2f16c34b94c6fa6f1 100644
--- a/content/public/android/java/src/org/chromium/content/browser/ServiceRegistrar.java
+++ b/content/public/android/java/src/org/chromium/content/browser/ServiceRegistrar.java
@@ -10,8 +10,10 @@ import org.chromium.base.annotations.CalledByNative;
 import org.chromium.base.annotations.JNINamespace;
 import org.chromium.content.browser.ServiceRegistry.ImplementationFactory;
 import org.chromium.device.battery.BatteryMonitorFactory;
+import org.chromium.device.nfc.NfcImpl;
 import org.chromium.device.vibration.VibrationManagerImpl;
 import org.chromium.mojom.device.BatteryMonitor;
+import org.chromium.mojom.device.Nfc;
 import org.chromium.mojom.device.VibrationManager;
 
 /**
@@ -35,6 +37,19 @@ class ServiceRegistrar {
         }
     }
 
+    private static class NfcImplementationFactory implements ImplementationFactory<Nfc> {
+        private final Context mApplicationContext;
+
+        NfcImplementationFactory(Context applicationContext) {
+            mApplicationContext = applicationContext;
+        }
+
+        @Override
+        public Nfc createImpl() {
+            return new NfcImpl(mApplicationContext);
+        }
+    }
+
     private static class VibrationManagerImplementationFactory
             implements ImplementationFactory<VibrationManager> {
         private final Context mApplicationContext;
@@ -62,5 +77,6 @@ class ServiceRegistrar {
     static void registerFrameHostServices(ServiceRegistry registry, Context applicationContext) {
         assert applicationContext != null;
         // TODO(avayvod): Register the PresentationService implementation here.
+        registry.addService(Nfc.MANAGER, new NfcImplementationFactory(applicationContext));
     }
 }