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

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

Index: third_party/WebKit/Source/modules/presentation/Presentation.cpp
diff --git a/third_party/WebKit/Source/modules/presentation/Presentation.cpp b/third_party/WebKit/Source/modules/presentation/Presentation.cpp
index 8a3e16adae0692710e19bc76d58210d09b634497..7807d556617bfb2a4afe32b728030786a24dbf58 100644
--- a/third_party/WebKit/Source/modules/presentation/Presentation.cpp
+++ b/third_party/WebKit/Source/modules/presentation/Presentation.cpp
@@ -10,6 +10,8 @@
 #include "modules/presentation/PresentationController.h"
 #include "modules/presentation/PresentationReceiver.h"
 #include "modules/presentation/PresentationRequest.h"
+#include "platform/weborigin/KURL.h"
+#include "wtf/Vector.h"
 
 namespace blink {
 
@@ -45,7 +47,8 @@ void Presentation::setDefaultRequest(PresentationRequest* request) {
   PresentationController* controller = PresentationController::from(*frame());
   if (!controller)
     return;
-  controller->setDefaultRequestUrl(request ? request->url() : KURL());
+  controller->setDefaultRequestUrl(request ? request->urls()

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

Do we need to call setDefaultRequestUrl at all for an empty request?

[whywhat, 2016/12/09 22:44:09]

We probably do so that navigator.presentation.defaultRequest = null stops sink
observing and so on?

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

Done.

+                                           : WTF::Vector<KURL>());
 }
 
 PresentationReceiver* Presentation::receiver() {