Change WebBluetooth chooser OK button's label to be "Pair"

chrome/browser/ui/bluetooth/bluetooth_chooser_controller.cc

 // 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.
 
 #include "chrome/browser/ui/bluetooth/bluetooth_chooser_controller.h"
 
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/net/referrer.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/ui/bluetooth/bluetooth_chooser_desktop.h"
@@ skipping 15 matching lines @@
 
 }  // namespace
 
 BluetoothChooserController::BluetoothChooserController(
     content::RenderFrameHost* owner,
     const content::BluetoothChooser::EventHandler& event_handler)
     : ChooserController(owner), event_handler_(event_handler) {}
 
 BluetoothChooserController::~BluetoothChooserController() {}
 
+base::string16 BluetoothChooserController::GetOkButtonLabel() const {
+  return l10n_util::GetStringUTF16(
+      IDS_BLUETOOTH_DEVICE_CHOOSER_PAIR_BUTTON_TEXT);
+}
+
 size_t BluetoothChooserController::NumOptions() const {
   return device_names_and_ids_.size();
 }
 
 base::string16 BluetoothChooserController::GetOption(size_t index) const {
   DCHECK_LT(index, device_names_and_ids_.size());
   const base::string16& device_name = device_names_and_ids_[index].first;
   const auto& it = device_name_map_.find(device_name);
   DCHECK(it != device_name_map_.end());
   return it->second == 1
@@ skipping 42 matching lines @@
       DCHECK_GT(device_name_map_[it->first], 0);
       if (--device_name_map_[it->first] == 0)
         device_name_map_.erase(it->first);
       device_names_and_ids_.erase(it);
       if (observer())
         observer()->OnOptionRemoved(index);
       return;
     }
   }
 }