[Presentation API] Change controller connection to 'terminated' when receiver connection terminates

content/renderer/presentation/presentation_connection_proxy.cc

Index: content/renderer/presentation/presentation_connection_proxy.cc
diff --git a/content/renderer/presentation/presentation_connection_proxy.cc b/content/renderer/presentation/presentation_connection_proxy.cc
index d1488ed3896a925ecdd754244331dcde43058c04..dd911aae55f4da549cd36c3f4c84ecb466e113a7 100644
--- a/content/renderer/presentation/presentation_connection_proxy.cc
+++ b/content/renderer/presentation/presentation_connection_proxy.cc
@@ -56,6 +56,9 @@ void PresentationConnectionProxy::DidChangeState(
         blink::WebPresentationConnectionState::kConnected);
   } else if (state == content::PRESENTATION_CONNECTION_STATE_CLOSED) {
     source_connection_->DidClose();
+  } else if (state == content::PRESENTATION_CONNECTION_STATE_TERMINATED) {
+    source_connection_->DidChangeState(
+        blink::WebPresentationConnectionState::kTerminated);
   } else {
     NOTREACHED();
   }
@@ -73,6 +76,17 @@ void PresentationConnectionProxy::Close() const {
   target_connection_ptr_->OnClose();
 }
 
+void PresentationConnectionProxy::NotifyTargetConnection(
+    blink::WebPresentationConnectionState state) {
+  if (!target_connection_ptr_)
+    return;
+
+  if (state == blink::WebPresentationConnectionState::kTerminated) {
+    target_connection_ptr_->DidChangeState(
+        content::PRESENTATION_CONNECTION_STATE_TERMINATED);
+  }
+}
+
 ControllerConnectionProxy::ControllerConnectionProxy(
     blink::WebPresentationConnection* controller_connection)
     : PresentationConnectionProxy(controller_connection) {}