Change WebBluetooth chooser title to "pair with"

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::GetTitle() const {
+  std::pair<base::string16, bool> title_prefix = GetTitlePrefix();

[scheib, 2016/07/13 18:14:07]

BTW, if you were using a tuple to be returned you can make the arguments
returned much easier to understand with std::tie
http://devdocs.io/cpp/utility/tuple/tie
See line: "std::tie(iter, inserted) = set_of_s.insert(value);"

+  return l10n_util::GetStringFUTF16(
+      title_prefix.second ? IDS_BLUETOOTH_DEVICE_CHOOSER_PROMPT_ORIGIN
+                          : IDS_BLUETOOTH_DEVICE_CHOOSER_PROMPT_EXTENSION_NAME,
+      title_prefix.first);
+}
+
 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 {
@@ skipping 47 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;
     }
   }
 }