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

chrome/browser/ui/bluetooth/chrome_extension_bluetooth_chooser.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_BLUETOOTH_CHROME_EXTENSION_BLUETOOTH_CHOOSER_H_
 #define CHROME_BROWSER_UI_BLUETOOTH_CHROME_EXTENSION_BLUETOOTH_CHOOSER_H_
 
 #include <memory>
 
 #include "base/macros.h"
@@ skipping 16 matching lines @@
   ~ChromeExtensionBluetoothChooser() override;
 
   // content::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_;
   std::unique_ptr<ChromeExtensionChooserDialog> chooser_dialog_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeExtensionBluetoothChooser);
 };
 
 #endif  // CHROME_BROWSER_UI_BLUETOOTH_CHROME_EXTENSION_BLUETOOTH_CHOOSER_H_