[Presentation API] Add support to content/ for multiple URLs per PresentationRequest.

content/renderer/presentation/presentation_connection_client.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 "content/renderer/presentation/presentation_connection_client.h"
 
 #include "base/logging.h"
 #include "third_party/WebKit/public/platform/WebString.h"
 
 namespace content {
 
 PresentationConnectionClient::PresentationConnectionClient(
     blink::mojom::PresentationSessionInfoPtr session_info)
-    : url_(blink::WebString::fromUTF8(session_info->url)),
+    : url_(blink::WebString::fromUTF8(session_info->url.spec())),
       id_(blink::WebString::fromUTF8(session_info->id)) {}
 
 PresentationConnectionClient::PresentationConnectionClient(
-    const mojo::String& url,
+    const GURL& url,
     const mojo::String& id)
-    : url_(blink::WebString::fromUTF8(url)),
-      id_(blink::WebString::fromUTF8(id)) {
-}
+    : url_(blink::WebString::fromUTF8(url.spec())),
+      id_(blink::WebString::fromUTF8(id)) {}
 
 PresentationConnectionClient::~PresentationConnectionClient() {
 }
 
 blink::WebString PresentationConnectionClient::getUrl() {
     return url_;
 }
 
 blink::WebString PresentationConnectionClient::getId() {
     return id_;
 }
 
 }  // namespace content