Replace base::Tuple in //chrome with std::tuple

chrome/browser/search/instant_service_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 <string>
+#include <tuple>
 #include <vector>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/metrics/field_trial.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/search/instant_service.h"
 #include "chrome/browser/search/instant_service_observer.h"
 #include "chrome/browser/search/instant_unittest_base.h"
 #include "chrome/browser/search/search.h"
@@ skipping 89 matching lines @@
   rph->sink().ClearMessages();
   instant_service_->Observe(
       content::NOTIFICATION_RENDERER_PROCESS_CREATED,
       content::Source<content::MockRenderProcessHost>(rph.get()),
       content::NotificationService::NoDetails());
   EXPECT_EQ(1U, rph->sink().message_count());
   const IPC::Message* msg = rph->sink().GetMessageAt(0);
   ASSERT_TRUE(msg);
   ChromeViewMsg_SetSearchURLs::Param params;
   ChromeViewMsg_SetSearchURLs::Read(msg, &params);
-  std::vector<GURL> search_urls = base::get<0>(params);
-  GURL new_tab_page_url = base::get<1>(params);
+  std::vector<GURL> search_urls = std::get<0>(params);
+  GURL new_tab_page_url = std::get<1>(params);
   EXPECT_EQ(2U, search_urls.size());
   EXPECT_EQ("https://www.google.com/alt#quux=", search_urls[0].spec());
   EXPECT_EQ("https://www.google.com/url?bar=", search_urls[1].spec());
   EXPECT_EQ("https://www.google.com/newtab", new_tab_page_url.spec());
 }
 
 TEST_F(InstantServiceTest, InstantSearchEnabled) {
   EXPECT_NE(static_cast<InstantSearchPrerenderer*>(NULL),
             GetInstantSearchPrerenderer());
 }
@@ skipping 91 matching lines @@
   InstantMostVisitedItem chromium_item;
   chromium_item.url = GURL("https://chromium.org");
   suggestions_items().push_back(chromium_item);
   EXPECT_TRUE(instant_service_->IsValidURLForNavigation(chromium_item.url));
 
   // http://chromium.org is web safe, but not in |suggestions_items_| or
   // |most_visited_items_|, so it should be denied.
   EXPECT_FALSE(
       instant_service_->IsValidURLForNavigation(GURL("http://chromium.org")));
 }