Pepper audio basic functionality unit test, take 3.

chrome/common/ipc_test_sink.h

Index: chrome/common/ipc_test_sink.h
diff --git a/chrome/common/ipc_test_sink.h b/chrome/common/ipc_test_sink.h
index 973fc71925092aa0f8ac261a25b5794d45b31262..96e91c07e44b3b257ac9622f16d7bc4bc2fea58e 100644
--- a/chrome/common/ipc_test_sink.h
+++ b/chrome/common/ipc_test_sink.h
@@ -1,4 +1,4 @@
-// Copyright (c) 2009 The Chromium Authors. All rights reserved.
+// Copyright (c) 2010 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.
 
@@ -9,6 +9,7 @@
 #include <vector>
 
 #include "base/basictypes.h"
+#include "ipc/ipc_channel.h"
 #include "ipc/ipc_message.h"
 
 namespace IPC {
@@ -40,11 +41,15 @@ namespace IPC {
 //
 // To hook up the sink, all you need to do is call OnMessageReceived when a
 // message is received.
-class TestSink {
+class TestSink : public IPC::Channel {
  public:
   TestSink();
   ~TestSink();
 
+  // Interface in IPC::Channel. This copies the message to the sink and then
+  // deletes it.
+  virtual bool Send(IPC::Message* message);
+
   // Used by the source of the messages to send the message to the sink. This
   // will make a copy of the message and store it in the list.
   void OnMessageReceived(const Message& msg);