bluetooth: Move FactoryWrapper to device and expose a function for testing in 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 16a3630a279531bd04e2738d10730221c5675934..278510b71d649357b7aaebd88bb7c08efe1c085d 100644
--- a/content/browser/bluetooth/bluetooth_device_chooser_controller.cc
+++ b/content/browser/bluetooth/bluetooth_device_chooser_controller.cc
@@ -198,8 +198,7 @@ UMARequestDeviceOutcome OutcomeFromChooserEvent(BluetoothChooser::Event event) {
 BluetoothDeviceChooserController::BluetoothDeviceChooserController(
     WebBluetoothServiceImpl* web_bluetooth_service,
     RenderFrameHost* render_frame_host,
-    device::BluetoothAdapter* adapter,
-    base::TimeDelta scan_duration)
+    device::BluetoothAdapter* adapter)
     : adapter_(adapter),
       web_bluetooth_service_(web_bluetooth_service),
       render_frame_host_(render_frame_host),
@@ -208,7 +207,7 @@ BluetoothDeviceChooserController::BluetoothDeviceChooserController(
           FROM_HERE,
           // TODO(jyasskin): Add a way for tests to control the dialog
           // directly, and change this to a reasonable discovery timeout.
-          scan_duration,
+          GetContentClient()->browser()->GetBluetoothScanDuration(),
           base::Bind(&BluetoothDeviceChooserController::StopDeviceDiscovery,
                      // base::Timer guarantees it won't call back after its
                      // destructor starts.