[Device Service] Decouple NFC implementation from //content

device/nfc/android/java/src/org/chromium/device/nfc/NfcProviderImpl.java

Index: device/nfc/android/java/src/org/chromium/device/nfc/NfcProviderImpl.java
diff --git a/device/nfc/android/java/src/org/chromium/device/nfc/NfcProviderImpl.java b/device/nfc/android/java/src/org/chromium/device/nfc/NfcProviderImpl.java
new file mode 100644
index 0000000000000000000000000000000000000000..04f19f6eb135ed698caa9e584589353fcb5bd9bf
--- /dev/null
+++ b/device/nfc/android/java/src/org/chromium/device/nfc/NfcProviderImpl.java
@@ -0,0 +1,56 @@
+// Copyright 2017 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package org.chromium.device.nfc;
+
+import android.content.Context;
+
+import org.chromium.device.nfc.mojom.Nfc;
+import org.chromium.device.nfc.mojom.NfcProvider;
+import org.chromium.mojo.bindings.InterfaceRequest;
+import org.chromium.mojo.system.MojoException;
+import org.chromium.services.service_manager.InterfaceFactory;
+
+/**
+ * Android implementation of the NfcProvider Mojo interface.
+ */
+public class NfcProviderImpl implements NfcProvider {
+    private static final String TAG = "NfcProviderImpl";
+    private Context mContext;
+    private NfcDelegate mDelegate;
+
+    public NfcProviderImpl(Context context, NfcDelegate delegate) {
+        mContext = context;
+        mDelegate = delegate;
+    }
+
+    @Override
+    public void close() {}
+
+    @Override
+    public void onConnectionError(MojoException e) {}
+
+    @Override
+    public void getNfcForHost(int hostId, InterfaceRequest<Nfc> request) {
+        Nfc.MANAGER.bind(new NfcImpl(mContext, hostId, mDelegate), request);
+    }
+
+    /**
+     * A factory for implementations of the NfcProvider interface.
+     */
+    public static class Factory implements InterfaceFactory<NfcProvider> {
+        private Context mContext;
+        private NfcDelegate mDelegate;
+
+        public Factory(Context context, NfcDelegate delegate) {
+            mContext = context;
+            mDelegate = delegate;
+        }
+
+        @Override
+        public NfcProvider createImpl() {
+            return new NfcProviderImpl(mContext, mDelegate);
+        }
+    }
+}