Change WebBluetooth chooser title to "pair with"

chrome/browser/chooser_controller/chooser_controller.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/chooser_controller/chooser_controller.h"
 
 #include "base/strings/utf_string_conversions.h"
-#include "chrome/grit/generated_resources.h"
 #include "components/url_formatter/elide_url.h"
 #include "content/public/browser/render_frame_host.h"
 #include "content/public/browser/web_contents.h"
 #include "extensions/browser/extension_registry.h"
 #include "extensions/common/constants.h"
-#include "ui/base/l10n/l10n_util.h"
 #include "url/origin.h"
 
 ChooserController::ChooserController(content::RenderFrameHost* owner)
     : owning_frame_(owner) {}
 
 ChooserController::~ChooserController() {}
 
-base::string16 ChooserController::GetTitle() const {
+std::pair<base::string16, bool> ChooserController::GetTitlePrefix() const {
   if (!owning_frame_)
-    return base::string16();
+    return std::make_pair(base::string16(), false /* otherwise */);
 
   url::Origin origin = owning_frame_->GetLastCommittedOrigin();
 
   if (origin.scheme() == extensions::kExtensionScheme) {
     content::WebContents* web_contents =
         content::WebContents::FromRenderFrameHost(owning_frame_);
     content::BrowserContext* browser_context =
         web_contents->GetBrowserContext();
     extensions::ExtensionRegistry* extension_registry =
         extensions::ExtensionRegistry::Get(browser_context);
     if (extension_registry) {
       const extensions::Extension* extension =
           extension_registry->enabled_extensions().GetByID(origin.host());
-      if (extension) {
-        return l10n_util::GetStringFUTF16(
-            IDS_DEVICE_CHOOSER_PROMPT_EXTENSION_NAME,
-            base::UTF8ToUTF16(extension->name()));
-      }
+      if (extension)
+        return std::make_pair(base::UTF8ToUTF16(extension->name()),
+                              false /* otherwise */);
     }
   }
 
-  return l10n_util::GetStringFUTF16(
-      IDS_DEVICE_CHOOSER_PROMPT_ORIGIN,
+  return std::make_pair(
       url_formatter::FormatOriginForSecurityDisplay(
-          origin, url_formatter::SchemeDisplay::OMIT_CRYPTOGRAPHIC));
+          origin, url_formatter::SchemeDisplay::OMIT_CRYPTOGRAPHIC),
+      true /* URL origin */);
 }