Add signal strength indicator icon to WebBluetooth chooser on non-Mac desktops

chrome/browser/ui/bluetooth/bluetooth_chooser_desktop.h

 // Copyright 2015 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.
 
 #ifndef CHROME_BROWSER_UI_BLUETOOTH_BLUETOOTH_CHOOSER_DESKTOP_H_
 #define CHROME_BROWSER_UI_BLUETOOTH_BLUETOOTH_CHOOSER_DESKTOP_H_
 
 #include "base/macros.h"
 #include "content/public/browser/bluetooth_chooser.h"
 
 class BluetoothChooserController;
 
 // Represents a Bluetooth chooser to ask the user to select a Bluetooth
 // device from a list of options. This implementation is for desktop.
 // BluetoothChooserAndroid implements the mobile part.
 class BluetoothChooserDesktop : public content::BluetoothChooser {
  public:
   explicit BluetoothChooserDesktop(
       BluetoothChooserController* bluetooth_chooser_controller);
   ~BluetoothChooserDesktop() override;
 
   // BluetoothChooser:
   void SetAdapterPresence(AdapterPresence presence) override;
   void ShowDiscoveryState(DiscoveryState state) override;
   void AddOrUpdateDevice(const std::string& device_id,
                          bool should_update_name,
                          const base::string16& device_name,
                          bool is_gatt_connected,
                          bool is_paired,
-                         const int8_t* rssi) override;
+                         int signal_strength_level) override;
   void RemoveDevice(const std::string& device_id) override;
 
  private:
   // Weak. ChooserContentView[Cocoa] owns it.
   BluetoothChooserController* bluetooth_chooser_controller_;
 
   DISALLOW_COPY_AND_ASSIGN(BluetoothChooserDesktop);
 };
 
 #endif  // CHROME_BROWSER_UI_BLUETOOTH_BLUETOOTH_CHOOSER_DESKTOP_H_