Remove using namespace in net/quic/quic_stream_sequencer.h

components/suggestions/suggestions_service_unittest.cc

Index: components/suggestions/suggestions_service_unittest.cc
diff --git a/components/suggestions/suggestions_service_unittest.cc b/components/suggestions/suggestions_service_unittest.cc
index 0f79b9c3cb900b613e3f503f237ab69d62047ea1..e5fd9d76c70295027364fb3cada974f0e3725636 100644
--- a/components/suggestions/suggestions_service_unittest.cc
+++ b/components/suggestions/suggestions_service_unittest.cc
@@ -449,10 +449,10 @@ TEST_F(SuggestionsServiceTest, GetBlacklistedUrl) {
   EXPECT_FALSE(SuggestionsService::GetBlacklistedUrl(*fetcher, &retrieved_url));
 
   // An actual blacklist request.
-  string blacklisted_url = "http://blacklisted.com/a?b=c&d=e";
-  string encoded_blacklisted_url =
+  std::string blacklisted_url = "http://blacklisted.com/a?b=c&d=e";
+  std::string encoded_blacklisted_url =
       "http%3A%2F%2Fblacklisted.com%2Fa%3Fb%3Dc%26d%3De";
-  string blacklist_request_prefix(kSuggestionsBlacklistURLPrefix);
+  std::string blacklist_request_prefix(kSuggestionsBlacklistURLPrefix);
   request_url.reset(
       new GURL(blacklist_request_prefix + encoded_blacklisted_url));
   fetcher.reset();