Remove using namespace in net/quic/quic_stream_sequencer.h

net/quic/reliable_quic_stream_test.cc

Index: net/quic/reliable_quic_stream_test.cc
diff --git a/net/quic/reliable_quic_stream_test.cc b/net/quic/reliable_quic_stream_test.cc
index d63a5d824bc6e8c7bfe424e1825c404fc48a3c0d..95ef7369772e745e64ea32bd7a95d23349b44a58 100644
--- a/net/quic/reliable_quic_stream_test.cc
+++ b/net/quic/reliable_quic_stream_test.cc
@@ -4,6 +4,8 @@
 
 #include "net/quic/reliable_quic_stream.h"
 
+#include <string>
+
 #include "net/quic/quic_ack_notifier.h"
 #include "net/quic/quic_connection.h"
 #include "net/quic/quic_utils.h"
@@ -51,7 +53,7 @@ class TestStream : public ReliableQuicStream {
   uint32 ProcessRawData(const char* data, uint32 data_len) override {
     EXPECT_NE(0u, data_len);
     DVLOG(1) << "ProcessData data_len: " << data_len;
-    data_ += string(data, data_len);
+    data_ += std::string(data, data_len);
     return should_process_data_ ? data_len : 0;
   }
 
@@ -66,7 +68,7 @@ class TestStream : public ReliableQuicStream {
 
  private:
   bool should_process_data_;
-  string data_;
+  std::string data_;
 };
 
 class ReliableQuicStreamTest : public ::testing::TestWithParam<bool> {
@@ -439,7 +441,7 @@ TEST_F(ReliableQuicStreamTest, WriteOrBufferDataWithQuicAckNotifier) {
       new StrictMock<MockAckNotifierDelegate>);
 
   const int kDataSize = 16 * 1024;
-  const string kData(kDataSize, 'a');
+  const std::string kData(kDataSize, 'a');
 
   const int kFirstWriteSize = 100;
   const int kSecondWriteSize = 50;
@@ -494,7 +496,7 @@ TEST_F(ReliableQuicStreamTest, WriteOrBufferDataAckNotificationBeforeFlush) {
       new StrictMock<MockAckNotifierDelegate>);
 
   const int kDataSize = 16 * 1024;
-  const string kData(kDataSize, 'a');
+  const std::string kData(kDataSize, 'a');
 
   const int kInitialWriteSize = 100;