[Sync] Fixing easy lint violations.

components/sync_sessions/revisit/current_tab_matcher_unittest.cc

Index: components/sync_sessions/revisit/current_tab_matcher_unittest.cc
diff --git a/components/sync_sessions/revisit/current_tab_matcher_unittest.cc b/components/sync_sessions/revisit/current_tab_matcher_unittest.cc
index ce3691fa7f312f64fe13537bd6a357e899680166..4add6b797e057f6538838edd752c6825c105e664 100644
--- a/components/sync_sessions/revisit/current_tab_matcher_unittest.cc
+++ b/components/sync_sessions/revisit/current_tab_matcher_unittest.cc
@@ -21,8 +21,8 @@ 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,