Support Transferable objects

content/common/webmessageportchannel_impl.h

Index: content/common/webmessageportchannel_impl.h
diff --git a/content/common/webmessageportchannel_impl.h b/content/common/webmessageportchannel_impl.h
index adde1a4f2b4123a0d1d9c68f734d364a6cf05534..9ac0e98d0c2169bcfbf95d4108803dcc94cd5f48 100644
--- a/content/common/webmessageportchannel_impl.h
+++ b/content/common/webmessageportchannel_impl.h
@@ -16,6 +16,16 @@
 #include "ipc/ipc_channel.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebMessagePortChannel.h"
 
+#ifndef WebTransferableReceipt_h
+#ifndef STUB_WebTransferableReceipt_h
+#define STUB_WebTransferableReceipt_h
+namespace WebKit {
+typedef WebMessagePortChannel WebTransferableReceipt;
+typedef WebVector<WebTransferableReceipt*> WebTransferableReceiptArray;
+} // namespace WebKit
+#endif // STUB_WebTransferableReceipt_h
+#endif // WebTransferableReceipt_h
+
 // This is thread safe.
 class WebMessagePortChannelImpl
     : public WebKit::WebMessagePortChannel,
@@ -39,9 +49,15 @@ class WebMessagePortChannelImpl
   virtual void destroy();
   virtual void entangle(WebKit::WebMessagePortChannel* channel);
   virtual void postMessage(const WebKit::WebString& message,
-                           WebKit::WebMessagePortChannelArray* channels);
+                           WebKit::WebTransferableReceiptArray* receipts);
+#ifndef WebTransferableReceipt_h
   virtual bool tryGetMessage(WebKit::WebString* message,
-                             WebKit::WebMessagePortChannelArray& channels);
+                             WebKit::WebTransferableReceiptArray& receipts);
+#else
+  virtual bool tryGetMessageWithNewReceipts(
+      WebKit::WebString* message,
+      WebKit::WebTransferableReceiptArray& receipts);
+#endif
 
   void Init();
   void Entangle(scoped_refptr<WebMessagePortChannelImpl> channel);