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

chrome/browser/ui/bluetooth/chrome_extension_bluetooth_chooser.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 "chrome/browser/ui/bluetooth/chrome_extension_bluetooth_chooser.h"
 
 #include "chrome/browser/extensions/chrome_extension_chooser_dialog.h"
 #include "chrome/browser/ui/bluetooth/bluetooth_chooser_controller.h"
 #include "content/public/browser/web_contents.h"
 
@@ skipping 21 matching lines @@
 void ChromeExtensionBluetoothChooser::ShowDiscoveryState(DiscoveryState state) {
   bluetooth_chooser_controller_->OnDiscoveryStateChanged(state);
 }
 
 void ChromeExtensionBluetoothChooser::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) {
+    int signal_strength_level) {
   bluetooth_chooser_controller_->AddOrUpdateDevice(
       device_id, should_update_name, device_name, is_gatt_connected, is_paired,
-      rssi);
+      signal_strength_level);
 }
 
 void ChromeExtensionBluetoothChooser::RemoveDevice(
     const std::string& device_id) {
   bluetooth_chooser_controller_->RemoveDevice(device_id);
 }