Move registration of Java mojo interfaces to the new InterfaceRegistrar.

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

 // Copyright 2014 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.content.browser;
 
-import android.app.Activity;
 import android.content.Context;
 
 import org.chromium.base.annotations.CalledByNative;
 import org.chromium.base.annotations.JNINamespace;
-import org.chromium.content.browser.InterfaceRegistry.ImplementationFactory;
 import org.chromium.content_public.browser.WebContents;
-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.VibrationManager;
-import org.chromium.mojom.device.nfc.Nfc;
-import org.chromium.ui.base.WindowAndroid;
 
 /**
  * Registers interfaces exposed by the browser in the given registry.
  */
 @JNINamespace("content")
 class InterfaceRegistrar {

[boliu, 2016/09/22 14:32:18]

this looks empty now, can this be removed?

[Sam McNally, 2016/09/23 01:38:50]

Yes. I was going to delete it in a follow up CL:
https://codereview.chromium.org/2217013002/.

-    // BatteryMonitorFactory can't implement ImplementationFactory itself, as we don't depend on
-    // /content in /device. Hence we use BatteryMonitorImplementationFactory as a wrapper.
-    private static class BatteryMonitorImplementationFactory
-            implements ImplementationFactory<BatteryMonitor> {
-        private final BatteryMonitorFactory mFactory;
-
-        BatteryMonitorImplementationFactory(Context applicationContext) {
-            mFactory = new BatteryMonitorFactory(applicationContext);
-        }
-
-        @Override
-        public BatteryMonitor createImpl() {
-            return mFactory.createMonitor();
-        }
-    }
-
-    private static class VibrationManagerImplementationFactory
-            implements ImplementationFactory<VibrationManager> {
-        private final Context mApplicationContext;
-
-        VibrationManagerImplementationFactory(Context applicationContext) {
-            mApplicationContext = applicationContext;
-        }
-
-        @Override
-        public VibrationManager createImpl() {
-            return new VibrationManagerImpl(mApplicationContext);
-        }
-    }
-
-    private static class NfcImplementationFactory implements ImplementationFactory<Nfc> {
-        private final Context mContext;
-        private final WebContents mContents;
-
-        NfcImplementationFactory(Context context, WebContents contents) {
-            mContext = context;
-            mContents = contents;
-        }
-
-        private static class ContextAwareNfcImpl extends NfcImpl implements
-                WindowAndroidChangedObserver {
-            private final ContentViewCore mContextViewCore;
-
-            ContextAwareNfcImpl(Context context, ContentViewCore contextViewCore) {
-                super(context);
-                mContextViewCore = contextViewCore;
-                if (mContextViewCore != null) {
-                    mContextViewCore.addWindowAndroidChangedObserver(this);
-                    if (mContextViewCore.getWindowAndroid() != null) {
-                        setActivity(mContextViewCore.getWindowAndroid().getActivity().get());
-                    }
-                }
-            }
-
-            @Override
-            public void close() {
-                super.close();
-                if (mContextViewCore != null) {
-                    mContextViewCore.removeWindowAndroidChangedObserver(this);
-                }
-            }
-
-            @Override
-            public void onWindowAndroidChanged(WindowAndroid newWindowAndroid) {
-                Activity activity = null;
-                if (newWindowAndroid != null) {
-                    activity = newWindowAndroid.getActivity().get();
-                }
-                setActivity(activity);
-            }
-        }
-
-        @Override
-        public Nfc createImpl() {
-            return new ContextAwareNfcImpl(mContext, ContentViewCore.fromWebContents(mContents));
-        }
-    }
-
     @CalledByNative
     static void exposeInterfacesToRenderer(InterfaceRegistry registry, Context applicationContext) {
         assert applicationContext != null;
-        registry.addInterface(BatteryMonitor.MANAGER,
-                new BatteryMonitorImplementationFactory(applicationContext));
     }
 
     @CalledByNative
     static void exposeInterfacesToFrame(InterfaceRegistry registry,
             Context applicationContext, WebContents contents) {
         assert applicationContext != null;
-        registry.addInterface(VibrationManager.MANAGER,
-                new VibrationManagerImplementationFactory(applicationContext));
-        registry.addInterface(Nfc.MANAGER,
-                new NfcImplementationFactory(applicationContext, contents));
-        // TODO(avayvod): Register the PresentationService implementation here.
     }
 }