[PresentationAPI] on-session-message handler for binary messages (Blink side).

Source/modules/presentation/PresentationSession.h

 // Copyright 2014 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 PresentationSession_h
 #define PresentationSession_h
 
 #include "core/events/EventTarget.h"
 #include "core/fileapi/Blob.h"
 #include "core/fileapi/FileError.h"
@@ skipping 41 matching lines @@
 
     DEFINE_ATTRIBUTE_EVENT_LISTENER(message);
     DEFINE_ATTRIBUTE_EVENT_LISTENER(statechange);
 
     // Returns true if and only if the WebPresentationSessionClient represents this session.
     bool matches(WebPresentationSessionClient*) const;
 
     // Notifies the session about its state change.
     void didChangeState(WebPresentationSessionState);
 
-    // Notifies the session about new text message.
+    // Notifies the session about new message.
     void didReceiveTextMessage(const String& message);
+    void didReceiveArrayBufferMessage(const uint8_t* data, size_t length);
+    void didReceiveBlobMessage(const uint8_t* data, size_t length);
 
 private:
     class BlobLoader;
 
     enum MessageType {
         MessageTypeText,
         MessageTypeArrayBuffer,
         MessageTypeBlob,
     };
 
@@ skipping 35 matching lines @@
     WebPresentationSessionState m_state;
 
     // For Blob data handling.
     Member<BlobLoader> m_blobLoader;
     Deque<OwnPtr<Message>> m_messages;
 };
 
 } // namespace blink
 
 #endif // PresentationSession_h