Add help link when Bluetooth adapter is off for WebBluetooth chooser

chrome/browser/ui/bluetooth/bluetooth_chooser_controller_unittest.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 <string>
 
 #include "base/bind.h"
 #include "base/macros.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/ui/bluetooth/bluetooth_chooser_controller.h"
@@ skipping 242 matching lines @@
 
 TEST_F(BluetoothChooserControllerWithDevicesAddedTest,
        BluetoothAdapterTurnedOff) {
   EXPECT_CALL(
       mock_bluetooth_chooser_view_,
       OnAdapterEnabledChanged(false /* Bluetooth adapter is turned off */))
       .Times(1);
   bluetooth_chooser_controller_.OnAdapterPresenceChanged(
       content::BluetoothChooser::AdapterPresence::POWERED_OFF);
   EXPECT_EQ(0u, bluetooth_chooser_controller_.NumOptions());
-  EXPECT_EQ(l10n_util::GetStringUTF16(IDS_BLUETOOTH_DEVICE_CHOOSER_ADAPTER_OFF),
-            bluetooth_chooser_controller_.GetNoOptionsText());
   EXPECT_EQ(base::string16(), bluetooth_chooser_controller_.GetStatus());
 }
 
 TEST_F(BluetoothChooserControllerWithDevicesAddedTest,
        BluetoothAdapterTurnedOn) {
   EXPECT_CALL(
       mock_bluetooth_chooser_view_,
       OnAdapterEnabledChanged(true /* Bluetooth adapter is turned on */))
       .Times(1);
   bluetooth_chooser_controller_.OnAdapterPresenceChanged(
@@ skipping 57 matching lines @@
   EXPECT_EQ(content::BluetoothChooser::Event::CANCELLED, last_event_);
   EXPECT_EQ(std::string(), last_device_id_);
 }
 
 TEST_F(BluetoothChooserControllerWithDevicesAddedTest,
        CloseShouldCallEventHandler) {
   bluetooth_chooser_controller_.Close();
   EXPECT_EQ(content::BluetoothChooser::Event::CANCELLED, last_event_);
   EXPECT_EQ(std::string(), last_device_id_);
 }