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

third_party/WebKit/public/platform/modules/presentation/WebPresentationAvailabilityObserver.h

Index: third_party/WebKit/public/platform/modules/presentation/WebPresentationAvailabilityObserver.h
diff --git a/third_party/WebKit/public/platform/modules/presentation/WebPresentationAvailabilityObserver.h b/third_party/WebKit/public/platform/modules/presentation/WebPresentationAvailabilityObserver.h
index 49d68359d3a189c9280664f7c3eb239ee13a3bc1..3a6e4ab51ab4c7ccda01d361f8251b1acf56c951 100644
--- a/third_party/WebKit/public/platform/modules/presentation/WebPresentationAvailabilityObserver.h
+++ b/third_party/WebKit/public/platform/modules/presentation/WebPresentationAvailabilityObserver.h
@@ -10,16 +10,19 @@
 
 namespace blink {
 
+class WebString;
+template <typename T> class WebVector;
+
 // WebPresentationAvailabilityObserver is an interface that is implemented by
 // objects that wish to be notified when there is a presentation display
-// availability change for a given URL.
+// availability change for given URLs.
 class BLINK_PLATFORM_EXPORT WebPresentationAvailabilityObserver {
 public:
     virtual ~WebPresentationAvailabilityObserver() = default;
 
     virtual void availabilityChanged(bool) = 0;
 
-    virtual const WebURL url() const = 0;
+    virtual const WebVector<WebURL>& urls() const = 0;
 };
 
 } // namespace blink