Update legacy Tuple-using code.

chrome/browser/ui/search/search_ipc_router_unittest.cc

 // Copyright 2013 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 "chrome/browser/ui/search/search_ipc_router.h"
 
 #include <vector>
 
 #include "base/command_line.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 142 matching lines @@
   void VerifyDisplayInstantResultsMsg(bool expected_param_value) {
     SetupMockDelegateAndPolicy();
     MockSearchIPCRouterPolicy* policy = GetSearchIPCRouterPolicy();
     EXPECT_CALL(*policy, ShouldSendSetDisplayInstantResults()).Times(1)
         .WillOnce(testing::Return(true));
 
     GetSearchIPCRouter().SetDisplayInstantResults();
     const IPC::Message* message = process()->sink().GetFirstMessageMatching(
         ChromeViewMsg_SearchBoxSetDisplayInstantResults::ID);
     EXPECT_NE(static_cast<const IPC::Message*>(NULL), message);
-    Tuple1<bool> display_instant_results_param;
+    Tuple<bool> display_instant_results_param;
     ChromeViewMsg_SearchBoxSetDisplayInstantResults::Read(
         message, &display_instant_results_param);
-    EXPECT_EQ(expected_param_value, display_instant_results_param.a);
+    EXPECT_EQ(expected_param_value, get<0>(display_instant_results_param));
   }
 
   MockSearchIPCRouterDelegate* mock_delegate() { return &delegate_; }
 
   MockSearchIPCRouterPolicy* GetSearchIPCRouterPolicy() {
     content::WebContents* contents = web_contents();
     EXPECT_NE(static_cast<content::WebContents*>(NULL), contents);
     SearchTabHelper* search_tab_helper = GetSearchTabHelper(contents);
     EXPECT_NE(static_cast<SearchTabHelper*>(NULL), search_tab_helper);
     return static_cast<MockSearchIPCRouterPolicy*>(
@@ skipping 722 matching lines @@
 
   // Construct a series of synthetic messages for each valid IPC message type,
   // ensuring the router ignores them all.
   for (int i = 0; i < LastIPCMsgStart; ++i) {
     const int message_id = i << 16;
     ASSERT_EQ(IPC_MESSAGE_ID_CLASS(message_id), i);
     IPC::Message msg(routing_id, message_id, IPC::Message::PRIORITY_LOW);
     EXPECT_FALSE(OnSpuriousMessageReceived(msg)) << i;
   }
 }