base: eliminate TupleTraits and TupleTypes

ppapi/proxy/ppapi_proxy_test.cc

 // Copyright (c) 2012 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.
 
 #include "ppapi/proxy/ppapi_proxy_test.h"
 
 #include <sstream>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 120 matching lines @@
   bool unused_result = false;
   PpapiMsg_SupportsInterface msg(name, &unused_result);
   GetDispatcher()->OnMessageReceived(msg);
 
   const IPC::Message* reply_msg =
       sink().GetUniqueMessageMatching(IPC_REPLY_ID);
   EXPECT_TRUE(reply_msg);
   if (!reply_msg)
     return false;
 
-  base::TupleTypes<PpapiMsg_SupportsInterface::ReplyParam>::ValueTuple
-      reply_data;
+  PpapiMsg_SupportsInterface::ReplyParam reply_data;
   EXPECT_TRUE(PpapiMsg_SupportsInterface::ReadReplyParam(
       reply_msg, &reply_data));
 
   sink().ClearMessages();
   return base::get<0>(reply_data);
 }
 
 // PluginProxyTestHarness ------------------------------------------------------
 
 PluginProxyTestHarness::PluginProxyTestHarness(
@@ skipping 428 matching lines @@
 void TwoWayTest::PostTaskOnRemoteHarness(const base::Closure& task) {
   base::WaitableEvent task_complete(true, false);
   plugin_thread_.task_runner()->PostTask(
       FROM_HERE, base::Bind(&RunTaskOnRemoteHarness, task, &task_complete));
   task_complete.Wait();
 }
 
 
 }  // namespace proxy
 }  // namespace ppapi