[Sync] Fixing easy lint violations.

components/sync_sessions/revisit/current_tab_matcher_unittest.cc

 // Copyright 2015 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 "components/sync_sessions/revisit/current_tab_matcher.h"
 
 #include <memory>
 #include <string>
 
 #include "base/test/histogram_tester.h"
 #include "base/time/time.h"
 #include "components/sessions/core/serialized_navigation_entry.h"
 #include "components/sessions/core/serialized_navigation_entry_test_helper.h"
 #include "components/sessions/core/session_types.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "url/gurl.h"
 
 using sessions::SessionTab;
 
 namespace sync_sessions {
 
 namespace {
 
-static const std::string kExampleUrl = "http://www.example.com";
-static const std::string kDifferentUrl = "http://www.different.com";
+const char kExampleUrl[] = "http://www.example.com";
+const char kDifferentUrl[] = "http://www.different.com";
 
 sessions::SerializedNavigationEntry Entry(const std::string& url) {
   return sessions::SerializedNavigationEntryTestHelper::CreateNavigation(url,
                                                                          "");
 }
 
 std::unique_ptr<SessionTab> Tab(const int index, const base::Time timestamp) {
   std::unique_ptr<SessionTab> tab(new SessionTab());
   tab->current_navigation_index = index;
   tab->timestamp = timestamp;
@@ skipping 70 matching lines @@
   ASSERT_EQ(tab2.get(), matcher1.most_recent_match_);
 
   // Now repeat the same test but check the tabs in the opposite order.
   CurrentTabMatcher matcher2((PageEquality(GURL(kExampleUrl))));
   matcher2.Check(tab2.get());
   matcher2.Check(tab1.get());
   ASSERT_EQ(tab2.get(), matcher2.most_recent_match_);
 }
 
 }  // namespace sync_sessions