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

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

Index: third_party/WebKit/public/platform/modules/presentation/WebPresentationConnectionProxy.h
diff --git a/third_party/WebKit/public/platform/modules/presentation/WebPresentationConnectionProxy.h b/third_party/WebKit/public/platform/modules/presentation/WebPresentationConnectionProxy.h
index 6457cf5f5c54be1c5119e9aff575b2d872525982..64f3e6e5f1e5b6721b723d335a6e98d9dae37286 100644
--- a/third_party/WebKit/public/platform/modules/presentation/WebPresentationConnectionProxy.h
+++ b/third_party/WebKit/public/platform/modules/presentation/WebPresentationConnectionProxy.h
@@ -7,6 +7,8 @@
 
 namespace blink {
 
+enum class WebPresentationConnectionState;
+
 // The implementation the embedder has to provide for the Presentation API to
 // work. This class is used to send messages to a PresentationConnection hosted
 // in a different frame.
@@ -16,6 +18,9 @@ class WebPresentationConnectionProxy {
 
   // Close target connection.
   virtual void Close() const = 0;
+
+  // Notify target connection about connection state change.
+  virtual void NotifyTargetConnection(WebPresentationConnectionState) = 0;
 };
 
 }  // namespace blink