Add a QuicChromiumClock and make QuicClock abstract to match internal code.

net/quic/quartc/quartc_stream_test.cc

 // Copyright (c) 2016 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 "net/quic/quartc/quartc_stream.h"
 
 #include "base/threading/thread_task_runner_handle.h"
 #include "net/quic/core/crypto/quic_random.h"
 #include "net/quic/core/quic_session.h"
 #include "net/quic/core/quic_simple_buffer_allocator.h"
+#include "net/quic/platform/impl/quic_chromium_clock.h"
 #include "net/quic/quartc/quartc_alarm_factory.h"
 #include "net/quic/quartc/quartc_stream_interface.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace net {
 namespace test {
 namespace {
 
 static const SpdyPriority kDefaultPriority = 3;
 static const QuicStreamId kStreamId = 5;
@@ skipping 165 matching lines @@
   std::unique_ptr<MockQuartcStreamDelegate> mock_stream_delegate_;
   std::unique_ptr<MockQuicSession> session_;
   // Data written by the ReliableQuicStreamAdapterTest.
   std::string write_buffer_;
   // Data read by the ReliableQuicStreamAdapterTest.
   std::string read_buffer_;
   std::unique_ptr<QuartcAlarmFactory> alarm_factory_;
   std::unique_ptr<QuicConnection> connection_;
   // Used to implement the QuicConnectionHelperInterface.
   SimpleBufferAllocator buffer_allocator_;
-  QuicClock clock_;
+  QuicChromiumClock clock_;
 };
 
 // Write an entire string.
 TEST_F(QuartcStreamTest, WriteDataWhole) {
   CreateReliableQuicStream();
   stream_->Write("Foo bar", 7, kDefaultParam);
   EXPECT_EQ("Foo bar", write_buffer_);
 }
 
 // Write part of a string.
@@ skipping 47 matching lines @@
 TEST_F(QuartcStreamTest, CloseStream) {
   CreateReliableQuicStream();
   EXPECT_FALSE(mock_stream_delegate_->closed());
   stream_->OnClose();
   EXPECT_TRUE(mock_stream_delegate_->closed());
 }
 
 }  // namespace
 }  // namespace test
 }  // namespace net