Revert of Remove AudioBuffer::set_duration(), instead base on frames.

media/base/audio_buffer_converter_unittest.cc

 // Copyright 2014 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/memory/scoped_ptr.h"
 #include "media/base/audio_buffer.h"
 #include "media/base/audio_buffer_converter.h"
 #include "media/base/sinc_resampler.h"
 #include "media/base/test_helpers.h"
 #include "testing/gmock/include/gmock/gmock.h"
@@ skipping 11 matching lines @@
                                                  ChannelLayout channel_layout,
                                                  int channel_count,
                                                  int frames) {
   return MakeAudioBuffer<uint8>(kSampleFormatU8,
                                 channel_layout,
                                 channel_count,
                                 sample_rate,
                                 0,
                                 1,
                                 frames,
+                                base::TimeDelta::FromSeconds(0),
                                 base::TimeDelta::FromSeconds(0));
 }
 
 class AudioBufferConverterTest : public ::testing::Test {
  public:
   AudioBufferConverterTest()
       : input_frames_(0),
         expected_output_frames_(0.0),
         output_frames_(0),
         output_params_(AudioParameters::AUDIO_PCM_LOW_LATENCY,
@@ skipping 204 matching lines @@
 
   // Since the input buffer size is a multiple of the input request size there
   // should never be any frames remaining at this point.
   ASSERT_EQ(kInputFrameSize %
                 audio_buffer_converter_->input_buffer_size_for_testing(),
             0);
   EXPECT_EQ(0, audio_buffer_converter_->input_frames_left_for_testing());
 }
 
 }  // namespace media