Move some generic functions to AudioManagerBase to be inherited by platform-specific AudioManager***

media/audio/audio_low_latency_input_output_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 "base/basictypes.h"
 #include "base/environment.h"
 #include "base/file_util.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop.h"
 #include "base/path_service.h"
@@ skipping 379 matching lines @@
 // The file can later be analyzed off line using e.g. MATLAB.
 // MATLAB example:
 //   D=load('audio_delay_values_ms.txt');
 //   x=cumsum(D(:,1));
 //   plot(x, D(:,2), x, D(:,3), x, D(:,4), x, D(:,2)+D(:,3)+D(:,4));
 //   axis([0, max(x), 0, max(D(:,2)+D(:,3)+D(:,4))+10]);
 //   legend('buffer delay','input delay','output delay','total delay');
 //   xlabel('time [msec]')
 //   ylabel('delay [msec]')
 //   title('Full-duplex audio delay measurement');
-TEST_F(AudioLowLatencyInputOutputTest, DISABLED_FullDuplexDelayMeasurement) {
+TEST_F(AudioLowLatencyInputOutputTest, FullDuplexDelayMeasurement) {
   if (!CanRunAudioTests())
     return;
 
   AudioInputStreamWrapper aisw(audio_manager());
   AudioInputStream* ais = aisw.Create();
   EXPECT_TRUE(ais);
 
   AudioOutputStreamWrapper aosw(audio_manager());
   AudioOutputStream* aos = aosw.Create();
   EXPECT_TRUE(aos);
@@ skipping 37 matching lines @@
   aos->Stop();
   ais->Stop();
 
   // All Close() operations that run on the mocked audio thread,
   // should be synchronous and not post additional close tasks to
   // mocked the audio thread. Hence, there is no need to call
   // message_loop()->RunAllPending() after the Close() methods.
   aos->Close();
   ais->Close();
 }