bluetooth: android: register for adapter on/off events.

device/bluetooth/test/android/java/src/org/chromium/device/bluetooth/Fakes.java

Index: device/bluetooth/test/android/java/src/org/chromium/device/bluetooth/Fakes.java
diff --git a/device/bluetooth/test/android/java/src/org/chromium/device/bluetooth/Fakes.java b/device/bluetooth/test/android/java/src/org/chromium/device/bluetooth/Fakes.java
index 538f618d6aa7efeadd0f9e9cea26a499a4920c99..46f9c664a5a37ff8792a7882d4c1f1c23d2f3780 100644
--- a/device/bluetooth/test/android/java/src/org/chromium/device/bluetooth/Fakes.java
+++ b/device/bluetooth/test/android/java/src/org/chromium/device/bluetooth/Fakes.java
@@ -9,7 +9,11 @@ import android.annotation.TargetApi;
 import android.bluetooth.BluetoothDevice;
 import android.bluetooth.le.ScanFilter;
 import android.bluetooth.le.ScanSettings;
+import android.content.BroadcastReceiver;
 import android.content.Context;
+import android.content.Intent;
+import android.content.IntentFilter;
+
 import android.os.Build;
 import android.os.ParcelUuid;
 
@@ -133,12 +137,14 @@ class Fakes {
         @Override
         public boolean disable() {
             mPowered = false;
+            nativeOnFakeAdapterStateChanged(mNativeBluetoothTestAndroid, false);
             return true;
         }
 
         @Override
         public boolean enable() {
             mPowered = true;
+            nativeOnFakeAdapterStateChanged(mNativeBluetoothTestAndroid, true);
             return true;
         }
 
@@ -191,6 +197,14 @@ class Fakes {
         public boolean checkPermission(String permission) {
             return mPermissions.contains(permission);
         }
+
+        @Override
+        public Intent registerReceiver(BroadcastReceiver receiver, IntentFilter filter) {
+            return null;
+        }
+
+        @Override
+        public void unregisterReceiver(BroadcastReceiver receiver) {}
     }
 
     /**
@@ -715,6 +729,10 @@ class Fakes {
     // ---------------------------------------------------------------------------------------------
     // BluetoothTestAndroid C++ methods declared for access from java:
 
+    // Binds to BluetoothTestAndroid::OnFakeAdapterStateChanged.
+    private static native void nativeOnFakeAdapterStateChanged(
+            long nativeBluetoothTestAndroid, boolean powered);
+
     // Binds to BluetoothTestAndroid::OnFakeBluetoothDeviceConnectGattCalled.
     private static native void nativeOnFakeBluetoothDeviceConnectGattCalled(
             long nativeBluetoothTestAndroid);