[Presentation API] Adds DOMString[] constructor to PresentationRequest.

third_party/WebKit/Source/modules/presentation/PresentationController.cpp

 // 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 "modules/presentation/PresentationController.h"
 
 #include "core/frame/LocalFrame.h"
 #include "modules/presentation/PresentationConnection.h"
+#include "public/platform/WebString.h"
+#include "public/platform/WebVector.h"
 #include "public/platform/modules/presentation/WebPresentationClient.h"
 #include "wtf/PtrUtil.h"
 #include <memory>
 
 namespace blink {
 
 PresentationController::PresentationController(LocalFrame& frame,
                                                WebPresentationClient* client)
     : DOMWindowProperty(&frame), m_client(client) {
   if (m_client)
@@ skipping 97 matching lines @@
   PresentationConnection* connection = findConnection(client.get());
   if (!connection)
     return;
   connection->didReceiveBinaryMessage(data, length);
 }
 
 void PresentationController::setPresentation(Presentation* presentation) {
   m_presentation = presentation;
 }
 
-void PresentationController::setDefaultRequestUrl(const KURL& url) {
+void PresentationController::setDefaultRequestUrl(
+    const WTF::Vector<KURL>& urls) {
   if (!m_client)
     return;
 
-  // TODO(crbug.com/627655): Accept multiple URLs per PresentationRequest.
-  WebVector<WebURL> presentationUrls(static_cast<size_t>(1));
-  if (url.isValid())
-    presentationUrls[0] = url;
+  WebVector<WebURL> presentationUrls(urls.size());
+  for (size_t i = 0; i < urls.size(); ++i) {
+    if (urls[i].isValid())

[mark a. foltz, 2016/12/09 05:38:03]

We should be throwing a SyntaxException in the ctor if there is an invalid URL

[zhaobin, 2016/12/09 23:01:59]

We have checked urls in PresentationRequest ctor, and rejected invalid urls
there. Urls should be valid when they arrive here, do we need to check again? 

+      presentationUrls[i] = urls[i];
+  }
 
   m_client->setDefaultPresentationUrls(presentationUrls);
 }
 
 void PresentationController::registerConnection(
     PresentationConnection* connection) {
   m_connections.add(connection);
 }
 
 void PresentationController::frameDestroyed() {
   if (m_client) {
     m_client->setController(nullptr);
     m_client = nullptr;
   }
   DOMWindowProperty::frameDestroyed();
 }
 
 PresentationConnection* PresentationController::findConnection(
     WebPresentationConnectionClient* connectionClient) {
   for (const auto& connection : m_connections) {
     if (connection->matches(connectionClient))
       return connection.get();
   }
 
   return nullptr;
 }
 
 }  // namespace blink