Fix Linux audio playback for short files

media/audio/linux/alsa_output_unittest.cc

Index: media/audio/linux/alsa_output_unittest.cc
diff --git a/media/audio/linux/alsa_output_unittest.cc b/media/audio/linux/alsa_output_unittest.cc
index 832aa5f8e3cf5f07e9deeb883b335d743096789b..911a8c81cc07d2ce03656ed84d8a467cbbec495d 100644
--- a/media/audio/linux/alsa_output_unittest.cc
+++ b/media/audio/linux/alsa_output_unittest.cc
@@ -1,4 +1,4 @@
-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Copyright (c) 2011 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.
 
@@ -437,7 +437,7 @@ TEST_F(AlsaPcmOutputStreamTest, StartStop) {
   // Expect the pre-roll.
   MockAudioSourceCallback mock_callback;
   EXPECT_CALL(mock_alsa_wrapper_, PcmState(kFakeHandle))
-      .Times(2)
+      .Times(3)
       .WillRepeatedly(Return(SND_PCM_STATE_RUNNING));
   EXPECT_CALL(mock_alsa_wrapper_, PcmDelay(kFakeHandle, _))
       .Times(2)