[Presentation API] Change connection to 'connected' if start a presentation with "https://www.googl…

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

Index: third_party/WebKit/Source/modules/presentation/PresentationReceiver.cpp
diff --git a/third_party/WebKit/Source/modules/presentation/PresentationReceiver.cpp b/third_party/WebKit/Source/modules/presentation/PresentationReceiver.cpp
index a550625000760e567369809fb40e8603ad52bf97..aa8ce0984b61f487e704e8b68aa7f76810a65971 100644
--- a/third_party/WebKit/Source/modules/presentation/PresentationReceiver.cpp
+++ b/third_party/WebKit/Source/modules/presentation/PresentationReceiver.cpp
@@ -11,7 +11,10 @@
 #include "core/dom/ExceptionCode.h"
 #include "core/frame/LocalDOMWindow.h"
 #include "core/frame/LocalFrame.h"
+#include "core/frame/Navigator.h"
 #include "core/frame/UseCounter.h"
+#include "modules/presentation/NavigatorPresentation.h"
+#include "modules/presentation/Presentation.h"
 #include "modules/presentation/PresentationConnection.h"
 #include "modules/presentation/PresentationConnectionList.h"
 #include "public/platform/modules/presentation/WebPresentationClient.h"
@@ -28,6 +31,18 @@ PresentationReceiver::PresentationReceiver(LocalFrame* frame,
     client->setReceiver(this);
 }
 
+// static
+PresentationReceiver* PresentationReceiver::from(Document& document) {
+  if (!document.frame() || !document.frame()->domWindow())
+    return nullptr;
+  Navigator& navigator = *document.frame()->domWindow()->navigator();
+  Presentation* presentation = NavigatorPresentation::presentation(navigator);
+  if (!presentation)
+    return nullptr;
+
+  return presentation->receiver();
+}
+
 ScriptPromise PresentationReceiver::connectionList(ScriptState* scriptState) {
   if (!m_connectionListProperty)
     m_connectionListProperty =