[Presentation API] Remove closed connections from PresentationConnectionList

content/renderer/presentation/presentation_connection_proxy.h

 // Copyright 2017 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_RENDERER_PRESENTATION_PRESENTATION_CONNECTION_PROXY_H_
 #define CONTENT_RENDERER_PRESENTATION_PRESENTATION_CONNECTION_PROXY_H_
 
 #include "base/callback.h"
 #include "content/public/common/presentation_connection_message.h"
 #include "mojo/public/cpp/bindings/binding.h"
 #include "third_party/WebKit/public/platform/modules/presentation/WebPresentationConnectionProxy.h"
 #include "third_party/WebKit/public/platform/modules/presentation/presentation.mojom.h"
 
 namespace blink {
 class WebPresentationConnection;
+class WebPresentationReceiver;
 }  // namespace blink
 
 namespace content {
 
 // This class connects PresentationConnection owned by one frame with
 // PresentationConnection owned by a different frame.
 //
 // PresentationConnectionProxy's ctor sets |source_connection_| to
 // PresentationConnection object owned by one frame.
 //
@@ skipping 63 matching lines @@
   void NotifyTargetConnection(
       blink::WebPresentationConnectionState state) override;
 
  protected:
   explicit PresentationConnectionProxy(
       blink::WebPresentationConnection* source_connection);
   mojo::Binding<blink::mojom::PresentationConnection> binding_;
   mojo::InterfacePtr<blink::mojom::PresentationConnection>
       target_connection_ptr_;
 
- private:
   // Raw pointer to Blink connection object owning this proxy object. Does not
   // take ownership.
   blink::WebPresentationConnection* const source_connection_;
 };
 
 // Represents PresentationConnectionProxy object on controlling frame.
 class CONTENT_EXPORT ControllerConnectionProxy
     : public PresentationConnectionProxy {
  public:
   explicit ControllerConnectionProxy(
       blink::WebPresentationConnection* controller_connection);
   ~ControllerConnectionProxy() override;
 
   blink::mojom::PresentationConnectionPtr Bind();
   blink::mojom::PresentationConnectionRequest MakeRemoteRequest();
 };
 
 // Represents PresentationConnectionProxy object on receiver frame.
 class CONTENT_EXPORT ReceiverConnectionProxy
     : public PresentationConnectionProxy {
  public:
-  explicit ReceiverConnectionProxy(
-      blink::WebPresentationConnection* receiver_connection);
+  ReceiverConnectionProxy(blink::WebPresentationConnection* receiver_connection,
+                          blink::WebPresentationReceiver* receiver);
   ~ReceiverConnectionProxy() override;
 
   void Bind(
       blink::mojom::PresentationConnectionRequest receiver_connection_request);
 
   // Sets |target_connection_ptr_| to |controller_connection_ptr|. Should be
   // called only once.
   void BindControllerConnection(
       blink::mojom::PresentationConnectionPtr controller_connection_ptr);
+
+  // PresentationConnectionProxy override
+  void DidChangeState(content::PresentationConnectionState state) override;
+
+ private:
+  // Raw pointer to PresentationReceiver. This class does not take ownership of
+  // |receiver_|.
+  blink::WebPresentationReceiver* receiver_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_PRESENTATION_PRESENTATION_CONNECTION_PROXY_H_