[Presentation API] (4th)(1-UA blink side) Add WebPresentationConnection and WebPresentationConnecti…

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

 // Copyright 2015 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 PresentationController_h
 #define PresentationController_h
 
 #include "core/dom/ContextLifecycleObserver.h"
 #include "core/frame/LocalFrame.h"
 #include "modules/ModulesExport.h"
@@ skipping 27 matching lines @@
   static PresentationController* from(LocalFrame&);
 
   static void provideTo(LocalFrame&, WebPresentationClient*);
 
   WebPresentationClient* client();
 
   // Implementation of Supplement.
   DECLARE_VIRTUAL_TRACE();
 
   // Implementation of WebPresentationController.
-  void didStartDefaultSession(const WebPresentationSessionInfo&) override;
+  WebPresentationConnection* didStartDefaultSession(
+      const WebPresentationSessionInfo&) override;
   void didChangeSessionState(const WebPresentationSessionInfo&,
                              WebPresentationConnectionState) override;
   void didCloseConnection(const WebPresentationSessionInfo&,
                           WebPresentationConnectionCloseReason,
                           const WebString& message) override;
   void didReceiveSessionTextMessage(const WebPresentationSessionInfo&,
                                     const WebString&) override;
   void didReceiveSessionBinaryMessage(const WebPresentationSessionInfo&,
                                       const uint8_t* data,
                                       size_t length) override;
@@ skipping 41 matching lines @@
   // The presentation connections associated with that frame.
   // TODO(mlamouri): the PresentationController will keep any created
   // connections alive until the frame is detached. These should be weak ptr
   // so that the connection can be GC'd.
   HeapHashSet<Member<PresentationConnection>> m_connections;
 };
 
 }  // namespace blink
 
 #endif  // PresentationController_h