[Presentation API] (1-UA) fire PresentationConnection onterminate event if receiver page gets destr…

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 d7b86b576b1fde3121a28145f635e76542ed0e9a..226b43a5cae741b6f8358d3977476a8bfca60d22 100644
--- a/third_party/WebKit/Source/modules/presentation/PresentationReceiver.cpp
+++ b/third_party/WebKit/Source/modules/presentation/PresentationReceiver.cpp
@@ -9,6 +9,7 @@
 #include "core/dom/DOMException.h"
 #include "core/dom/Document.h"
 #include "core/dom/ExceptionCode.h"
+#include "core/frame/DOMWindow.h"
 #include "core/frame/LocalFrame.h"
 #include "modules/presentation/PresentationConnection.h"
 #include "modules/presentation/PresentationConnectionList.h"
@@ -59,6 +60,20 @@ void PresentationReceiver::onReceiverConnectionAvailable(
     m_connectionList->dispatchConnectionAvailableEvent(connection);
 }
 
+void PresentationReceiver::didChangeSessionState(
+    WebPresentationConnectionState state) {
+  DCHECK(state == WebPresentationConnectionState::Terminated);
+
+  for (auto connection : m_connectionList->connections())
+    connection->didChangeState(state);
+}
+
+void PresentationReceiver::closeWindow() {
+  DOMWindow* window = frame()->domWindow();
+  if (!window->closed())

[haraken, 2016/11/08 23:44:50]

You need to check if frame(), frame()->domWindow() and frame()->document() are
not null.

[zhaobin, 2016/11/09 03:40:12]

Done.

+    window->close(frame()->document());
+}
+
 void PresentationReceiver::registerConnection(
     PresentationConnection* connection) {
   DCHECK(m_connectionList);