[Presentation API] Add support for multiple URLs in PresentationRequest on Media Router UI side

chrome/browser/media/router/presentation_service_delegate_impl.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/media/router/presentation_service_delegate_impl.h"
 
 #include <string>
 #include <unordered_map>
 #include <utility>
 #include <vector>
@@ skipping 530 matching lines @@
     const std::string& default_presentation_url,
     const content::PresentationSessionStartedCallback& callback) {
   if (!IsMainFrame(render_frame_host_id))
     return;
 
   if (default_presentation_url.empty()) {
     ClearDefaultPresentationRequest();
   } else {
     DCHECK(!callback.is_null());
     GURL frame_url(GetLastCommittedURLForFrame(render_frame_host_id));
-    PresentationRequest request(render_frame_host_id, default_presentation_url,
-                                frame_url);
+    PresentationRequest request(render_frame_host_id,
+                                {default_presentation_url}, frame_url);
     default_presentation_started_callback_ = callback;
     SetDefaultPresentationRequest(request);
   }
 }
 
 void PresentationFrameManager::AddDelegateObserver(
     const RenderFrameHostId& render_frame_host_id,
     DelegateObserver* observer) {
   auto* presentation_frame = GetOrAddPresentationFrame(render_frame_host_id);
   presentation_frame->set_delegate_observer(observer);
@@ skipping 397 matching lines @@
 bool PresentationServiceDelegateImpl::HasScreenAvailabilityListenerForTest(
     int render_process_id,
     int render_frame_id,
     const MediaSource::Id& source_id) const {
   RenderFrameHostId render_frame_host_id(render_process_id, render_frame_id);
   return frame_manager_->HasScreenAvailabilityListenerForTest(
       render_frame_host_id, source_id);
 }
 
 }  // namespace media_router