Switch browser side audio capture path to use base time primitives.

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 <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
 #include <memory>
 
@@ skipping 176 matching lines @@
               state.output_delay_ms);
       ++elements_written;
     }
 
     base::CloseFile(text_file);
   }
 
   // AudioInputStream::AudioInputCallback.
   void OnData(AudioInputStream* stream,
               const AudioBus* src,
-              uint32_t hardware_delay_bytes,
+              base::TimeDelta delay,
+              base::TimeTicks delay_timestamp,
               double volume) override {
     base::AutoLock lock(lock_);
 
     // Update three components in the AudioDelayState for this recorded
     // audio packet.
     const base::TimeTicks now_time = base::TimeTicks::Now();
     const int diff = (now_time - previous_write_time_).InMilliseconds();
     previous_write_time_ = now_time;
     if (input_elements_to_write_ < kMaxDelayMeasurements) {
       delay_states_[input_elements_to_write_].delta_time_ms = diff;
       delay_states_[input_elements_to_write_].buffer_delay_ms =
           BytesToMilliseconds(buffer_->forward_bytes());
       delay_states_[input_elements_to_write_].input_delay_ms =
-          BytesToMilliseconds(hardware_delay_bytes);
+          delay.InMilliseconds();
       ++input_elements_to_write_;
     }
 
     // TODO(henrika): fix this and use AudioFifo instead.
     // Store the captured audio packet in a seekable media buffer.
     // if (!buffer_->Append(src, size)) {
     // An attempt to write outside the buffer limits has been made.
     // Double the buffer capacity to ensure that we have a buffer large
     // enough to handle the current sample test scenario.
     //   buffer_->set_forward_capacity(2 * buffer_->forward_capacity());
@@ skipping 221 matching lines @@
 
   // 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()->RunUntilIdle() after the Close() methods.
   aos->Close();
   ais->Close();
 }
 
 }  // namespace media