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

net/quic/congestion_control/quic_receipt_metrics_collector_test.cc

 // Copyright (c) 2012 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 "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "net/quic/congestion_control/quic_receipt_metrics_collector.h"
 #include "net/quic/test_tools/mock_clock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace net {
 namespace test {
 
 class QuicReceiptMetricsCollectorTest : public ::testing::Test {
  protected:
   void SetUpCongestionType(CongestionFeedbackType congestion_type) {
     receiver_.reset(new QuicReceiptMetricsCollector(&clock_, congestion_type));
   }
 
   MockClock clock_;
   scoped_ptr<QuicReceiptMetricsCollector> receiver_;
 };
 
 TEST_F(QuicReceiptMetricsCollectorTest, FixedRateReceiverAPI) {
   SetUpCongestionType(kFixRate);
   QuicCongestionFeedbackFrame feedback;
-  QuicTime timestamp;
+  QuicTime timestamp(QuicTime::Zero());
   receiver_->RecordIncomingPacket(1, 1, timestamp, false);
   ASSERT_TRUE(receiver_->GenerateCongestionFeedback(&feedback));
   EXPECT_EQ(kFixRate, feedback.type);
 }
 
 }  // namespace test
 }  // namespace net