Provision to start base::SimpleTestTickClock at initial ticks

media/audio/win/audio_device_listener_win_unittest.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 <string>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 20 matching lines @@
     DCHECK(com_init_.succeeded());
   }
 
   virtual void SetUp() {
     if (!CoreAudioUtil::IsSupported())
       return;
 
     output_device_listener_.reset(new AudioDeviceListenerWin(base::Bind(
         &AudioDeviceListenerWinTest::OnDeviceChange, base::Unretained(this))));
 
-    tick_clock_ = new base::SimpleTestTickClock();
-    tick_clock_->Advance(base::TimeDelta::FromSeconds(12345));
+    tick_clock_ = new base::SimpleTestTickClock(
+        base::TimeTicks() + base::TimeDelta::FromSeconds(12345));
     output_device_listener_->tick_clock_.reset(tick_clock_);
   }
 
   void AdvanceLastDeviceChangeTime() {
     tick_clock_->Advance(base::TimeDelta::FromMilliseconds(
         AudioDeviceListenerWin::kDeviceChangeLimitMs + 1));
   }
 
   // Simulate a device change where no output devices are available.
   bool SimulateNullDefaultOutputDeviceChange() {
@@ skipping 48 matching lines @@
   EXPECT_CALL(*this, OnDeviceChange()).Times(1);
   ASSERT_TRUE(SimulateDefaultOutputDeviceChange(kFirstTestDevice));
 
   testing::Mock::VerifyAndClear(this);
   AdvanceLastDeviceChangeTime();
   EXPECT_CALL(*this, OnDeviceChange()).Times(1);
   ASSERT_TRUE(SimulateNullDefaultOutputDeviceChange());
 }
 
 }  // namespace media