[Presentation API] (alternative) 1-UA: send message between controller and receiver page

third_party/WebKit/Source/modules/presentation/PresentationConnection.h

Index: third_party/WebKit/Source/modules/presentation/PresentationConnection.h
diff --git a/third_party/WebKit/Source/modules/presentation/PresentationConnection.h b/third_party/WebKit/Source/modules/presentation/PresentationConnection.h
index 323c6a38f42c7c8e9b28cb3241ff5f630d0f2e07..a1a4119a54be00a03932f57a2018ff24b88b735e 100644
--- a/third_party/WebKit/Source/modules/presentation/PresentationConnection.h
+++ b/third_party/WebKit/Source/modules/presentation/PresentationConnection.h
@@ -11,7 +11,9 @@
 #include "core/frame/DOMWindowProperty.h"
 #include "platform/heap/Handle.h"
 #include "platform/weborigin/KURL.h"
+#include "public/platform/modules/presentation/WebPresentationConnection.h"
 #include "public/platform/modules/presentation/WebPresentationConnectionClient.h"
+#include "public/platform/modules/presentation/WebPresentationConnectionProxy.h"
 #include "wtf/text/WTFString.h"
 #include <memory>
 
@@ -28,7 +30,8 @@ class PresentationReceiver;
 class PresentationRequest;
 
 class PresentationConnection final : public EventTargetWithInlineData,
-                                     public DOMWindowProperty {
+                                     public DOMWindowProperty,
+                                     public WebPresentationConnection {
   USING_GARBAGE_COLLECTED_MIXIN(PresentationConnection);
   DEFINE_WRAPPERTYPEINFO();
 
@@ -84,8 +87,8 @@ class PresentationConnection final : public EventTargetWithInlineData,
   void didClose(WebPresentationConnectionCloseReason, const String& message);
 
   // Notifies the presentation about new message.
-  void didReceiveTextMessage(const String& message);
-  void didReceiveBinaryMessage(const uint8_t* data, size_t length);
+  void didReceiveTextMessage(const WebString& message) override;
+  void didReceiveBinaryMessage(const uint8_t* data, size_t length) override;
 
  protected:
   // EventTarget implementation.
@@ -106,6 +109,8 @@ class PresentationConnection final : public EventTargetWithInlineData,
   class Message;
 
   PresentationConnection(LocalFrame*, const String& id, const KURL&);
+  void SetPresentationConnectionProxy(
+      std::unique_ptr<WebPresentationConnectionProxy>);
 
   bool canSendMessage(ExceptionState&);
   void handleMessageQueue();
@@ -126,6 +131,8 @@ class PresentationConnection final : public EventTargetWithInlineData,
   HeapDeque<Member<Message>> m_messages;
 
   BinaryType m_binaryType;
+
+  std::unique_ptr<WebPresentationConnectionProxy> m_proxy;
 };
 
 }  // namespace blink