Add listener for AdapterDiscoveringChanged on BT chooser-controller

content/browser/bluetooth/bluetooth_device_chooser_controller.cc

Index: content/browser/bluetooth/bluetooth_device_chooser_controller.cc
diff --git a/content/browser/bluetooth/bluetooth_device_chooser_controller.cc b/content/browser/bluetooth/bluetooth_device_chooser_controller.cc
index ac2ac7b2a632e29494d3f8fbb47e39cb5f3335af..f93ec0431d2ca997662a7c617b1ab390c9275026 100644
--- a/content/browser/bluetooth/bluetooth_device_chooser_controller.cc
+++ b/content/browser/bluetooth/bluetooth_device_chooser_controller.cc
@@ -466,6 +466,14 @@ void BluetoothDeviceChooserController::AdapterPoweredChanged(bool powered) {
   }
 }
 
+void BluetoothDeviceChooserController::AdapterDiscoveringChanged(
+    bool discovering) {
+  if (!discovering && discovery_session_.get() &&

[scheib, 2017/02/13 21:06:54]

Remove ".get()", it is not required.

+      discovery_session_->IsActive()) {
+    StopDeviceDiscovery();
+  }
+}
+
 int BluetoothDeviceChooserController::CalculateSignalStrengthLevel(
     int8_t rssi) {
   RecordRSSISignalStrength(rssi);