bluetooth: android: Fix a couple of crashes when adapter is turned on/off.

device/bluetooth/bluetooth_adapter_android.cc

Index: device/bluetooth/bluetooth_adapter_android.cc
diff --git a/device/bluetooth/bluetooth_adapter_android.cc b/device/bluetooth/bluetooth_adapter_android.cc
index 144ad520b2aa91d468e8e890749fbdbe1b4f00ce..00cead7ddef0537243a8304a4a8114566633ad83 100644
--- a/device/bluetooth/bluetooth_adapter_android.cc
+++ b/device/bluetooth/bluetooth_adapter_android.cc
@@ -77,7 +77,12 @@ bool BluetoothAdapterAndroid::IsPowered() const {
 void BluetoothAdapterAndroid::SetPowered(bool powered,
                                          const base::Closure& callback,
                                          const ErrorCallback& error_callback) {
-  NOTIMPLEMENTED();
+  if (Java_ChromeBluetoothAdapter_setPowered(AttachCurrentThread(),
+                                             j_adapter_.obj(), powered)) {
+    callback.Run();
+  } else {
+    error_callback.Run();
+  }
 }
 
 bool BluetoothAdapterAndroid::IsDiscoverable() const {