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

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 32438bd0d0523dface0825b1d754084a0e5f7e94..2a94422bfae39ddc437db81980693b36180f4562 100644
--- a/third_party/WebKit/Source/modules/presentation/PresentationConnection.h
+++ b/third_party/WebKit/Source/modules/presentation/PresentationConnection.h
@@ -49,8 +49,8 @@
     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();
@@ -95,7 +95,24 @@
         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);
 
@@ -103,7 +120,7 @@
     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.
@@ -115,7 +132,7 @@
 
     // For Blob data handling.
     Member<BlobLoader> m_blobLoader;
-    HeapDeque<Member<Message>> m_messages;
+    Deque<OwnPtr<Message>> m_messages;
 
     BinaryType m_binaryType;
 };