Revert of Move DOMArrayBuffer, DOMArrayBufferViews and DataView to the heap.

third_party/WebKit/Source/modules/presentation/PresentationConnection.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 PresentationConnection_h
 #define PresentationConnection_h
 
 #include "core/events/EventTarget.h"
 #include "core/fileapi/Blob.h"
 #include "core/fileapi/FileError.h"
@@ skipping 31 matching lines @@
     // EventTarget implementation.
     const AtomicString& interfaceName() const override;
     ExecutionContext* getExecutionContext() const override;
 
     DECLARE_VIRTUAL_TRACE();
 
     const String& id() const { return m_id; }
     const WTF::AtomicString& state() const;
 
     void send(const String& message, ExceptionState&);
-    void send(DOMArrayBuffer*, ExceptionState&);
-    void send(DOMArrayBufferView*, ExceptionState&);
+    void send(PassRefPtr<DOMArrayBuffer>, ExceptionState&);
+    void send(PassRefPtr<DOMArrayBufferView>, ExceptionState&);
     void send(Blob*, ExceptionState&);
     void close();
     void terminate();
 
     String binaryType() const;
     void setBinaryType(const String&);
 
     DEFINE_ATTRIBUTE_EVENT_LISTENER(message);
     DEFINE_ATTRIBUTE_EVENT_LISTENER(statechange);
     DEFINE_ATTRIBUTE_EVENT_LISTENER(connect);
@@ skipping 24 matching lines @@
         MessageTypeText,
         MessageTypeArrayBuffer,
         MessageTypeBlob,
     };
 
     enum BinaryType {
         BinaryTypeBlob,
         BinaryTypeArrayBuffer
     };
 
-    class Message;
+    struct Message {
+        Message(const String& text)
+            : type(MessageTypeText)
+            , text(text) { }
+
+        Message(PassRefPtr<DOMArrayBuffer> arrayBuffer)
+            : type(MessageTypeArrayBuffer)
+            , arrayBuffer(arrayBuffer) { }
+
+        Message(PassRefPtr<BlobDataHandle> blobDataHandle)
+            : type(MessageTypeBlob)
+            , blobDataHandle(blobDataHandle) { }
+
+        MessageType type;
+        String text;
+        RefPtr<DOMArrayBuffer> arrayBuffer;
+        RefPtr<BlobDataHandle> blobDataHandle;
+    };
 
     PresentationConnection(LocalFrame*, const String& id, const String& url);
 
     bool canSendMessage(ExceptionState&);
     void handleMessageQueue();
 
     // Callbacks invoked from BlobLoader.
-    void didFinishLoadingBlob(DOMArrayBuffer*);
+    void didFinishLoadingBlob(PassRefPtr<DOMArrayBuffer>);
     void didFailLoadingBlob(FileError::ErrorCode);
 
     // Cancel loads and pending messages when the connection is closed.
     void tearDown();
 
     String m_id;
     String m_url;
     WebPresentationConnectionState m_state;
 
     // For Blob data handling.
     Member<BlobLoader> m_blobLoader;
-    HeapDeque<Member<Message>> m_messages;
+    Deque<OwnPtr<Message>> m_messages;
 
     BinaryType m_binaryType;
 };
 
 } // namespace blink
 
 #endif // PresentationConnection_h