Update legacy Tuple-using code.

content/browser/service_worker/service_worker_handle_unittest.cc

 // Copyright 2014 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 "base/basictypes.h"
 #include "base/run_loop.h"
 #include "content/browser/service_worker/embedded_worker_registry.h"
 #include "content/browser/service_worker/embedded_worker_test_helper.h"
 #include "content/browser/service_worker/service_worker_context_core.h"
 #include "content/browser/service_worker/service_worker_handle.h"
@@ skipping 14 matching lines @@
 
 const int kRenderProcessId = 88;  // A dummy ID for testing.
 
 void VerifyStateChangedMessage(int expected_handle_id,
                               blink::WebServiceWorkerState expected_state,
                               const IPC::Message* message) {
   ASSERT_TRUE(message != NULL);
   ServiceWorkerMsg_ServiceWorkerStateChanged::Param param;
   ASSERT_TRUE(ServiceWorkerMsg_ServiceWorkerStateChanged::Read(
       message, &param));
-  EXPECT_EQ(expected_handle_id, param.b);
-  EXPECT_EQ(expected_state, param.c);
+  EXPECT_EQ(expected_handle_id, get<1>(param));
+  EXPECT_EQ(expected_state, get<2>(param));
 }
 
 }  // namespace
 
 class ServiceWorkerHandleTest : public testing::Test {
  public:
   ServiceWorkerHandleTest()
       : browser_thread_bundle_(TestBrowserThreadBundle::IO_MAINLOOP) {}
 
   void SetUp() override {
@@ skipping 63 matching lines @@
   // 3. SendMessageToWorker (to send InstallEvent), and
   EXPECT_EQ(EmbeddedWorkerContextMsg_MessageToWorker::ID,
             ipc_sink()->GetMessageAt(2)->type());
   // 4. StateChanged (state == Installed).
   VerifyStateChangedMessage(handle->handle_id(),
                             blink::WebServiceWorkerStateInstalled,
                             ipc_sink()->GetMessageAt(3));
 }
 
 }  // namespace content