bluetooth: android: removed duplicate restart of scanning.

content/browser/bluetooth/bluetooth_device_chooser_controller.cc

 // Copyright 2016 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.
 
 #include "content/browser/bluetooth/bluetooth_device_chooser_controller.h"
 
 #include <set>
 #include <string>
 #include <unordered_set>
 
@@ skipping 323 matching lines @@
 
 void BluetoothDeviceChooserController::AdapterPoweredChanged(bool powered) {
   if (!powered && discovery_session_.get()) {
     StopDiscoverySession(std::move(discovery_session_));
   }
 
   if (chooser_.get()) {
     chooser_->SetAdapterPresence(
         powered ? BluetoothChooser::AdapterPresence::POWERED_ON
                 : BluetoothChooser::AdapterPresence::POWERED_OFF);
+    if (powered) {
+      OnBluetoothChooserEvent(BluetoothChooser::Event::RESCAN,
+                              "" /* device_address */);
+    }
   }
 
   if (!powered) {
     discovery_session_timer_.Stop();
   }
 }
 
 void BluetoothDeviceChooserController::PopulateFoundDevices() {
   VLOG(1) << "Populating " << adapter_->GetDevices().size()
           << " devices in chooser.";
@@ skipping 107 matching lines @@
 
 void BluetoothDeviceChooserController::PostErrorCallback(
     blink::mojom::WebBluetoothError error) {
   if (!base::ThreadTaskRunnerHandle::Get()->PostTask(
           FROM_HERE, base::Bind(error_callback_, error))) {
     LOG(WARNING) << "No TaskRunner.";
   }
 }
 
 }  // namespace content