Remove default constructors for QuicTime and QuicTime::Delta and used static Zero() methods instead…

net/quic/quic_framer.cc

Index: net/quic/quic_framer.cc
diff --git a/net/quic/quic_framer.cc b/net/quic/quic_framer.cc
index 570cd182c18233fde3a57fe54eef79620d24b193..5a5a1fe148e6f85335deb596f64302c75c7f74d7 100644
--- a/net/quic/quic_framer.cc
+++ b/net/quic/quic_framer.cc
@@ -12,6 +12,7 @@
 #include "net/quic/quic_utils.h"
 
 using base::StringPiece;
+using std::make_pair;
 using std::map;
 using std::numeric_limits;
 
@@ -499,8 +500,9 @@ bool QuicFramer::ProcessQuicCongestionFeedbackFrame(
           return false;
         }
 
-        inter_arrival->received_packet_times[smallest_received] =
-            QuicTime::FromMicroseconds(time_received_us);
+        inter_arrival->received_packet_times.insert(
+            make_pair(smallest_received,
+                      QuicTime::FromMicroseconds(time_received_us)));
 
         for (int i = 0; i < num_received_packets - 1; ++i) {
           uint16 sequence_delta;
@@ -517,8 +519,9 @@ bool QuicFramer::ProcessQuicCongestionFeedbackFrame(
             return false;
           }
           QuicPacketSequenceNumber packet = smallest_received + sequence_delta;
-          inter_arrival->received_packet_times[packet] =
-              QuicTime::FromMicroseconds(time_received_us + time_delta_us);
+          inter_arrival->received_packet_times.insert(
+              make_pair(packet, QuicTime::FromMicroseconds(time_received_us +
+                                                           time_delta_us)));
         }
       }
       break;