Revert 258215 "Remove muting for extreme playbackRates."

media/filters/audio_renderer_algorithm_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.
 //
 // The format of these tests are to enqueue a known amount of data and then
 // request the exact amount we expect in order to dequeue the known amount of
 // data.  This ensures that for any rate we are consuming input data at the
 // correct rate.  We always pass in a very large destination buffer with the
 // expectation that FillBuffer() will fill as much as it can but no more.
 
@@ skipping 133 matching lines @@
       frames_enqueued_ += kFrameSize;
     }
   }
 
   void CheckFakeData(AudioBus* audio_data, int frames_written) {
     // Check each channel individually.
     for (int ch = 0; ch < channels_; ++ch) {
       bool all_zero = true;
       for (int i = 0; i < frames_written && all_zero; ++i)
         all_zero = audio_data->channel(ch)[i] == 0.0f;
-      ASSERT_FALSE(all_zero) << " for channel " << ch;
+      ASSERT_EQ(algorithm_.is_muted(), all_zero) << " for channel " << ch;
     }
   }
 
   int ComputeConsumedFrames(int initial_frames_enqueued,
                             int initial_frames_buffered) {
     int frame_delta = frames_enqueued_ - initial_frames_enqueued;
     int buffered_delta = algorithm_.frames_buffered() - initial_frames_buffered;
     int consumed = frame_delta - buffered_delta;
     CHECK_GE(consumed, 0);
     return consumed;
@@ skipping 469 matching lines @@
 
 TEST_F(AudioRendererAlgorithmTest, WsolaSlowdown) {
   WsolaTest(0.6f);
 }
 
 TEST_F(AudioRendererAlgorithmTest, WsolaSpeedup) {
   WsolaTest(1.6f);
 }
 
 }  // namespace media