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

media/audio/audio_input_unittest.cc

Index: media/audio/audio_input_unittest.cc
diff --git a/media/audio/audio_input_unittest.cc b/media/audio/audio_input_unittest.cc
index 2bba0b2268a0c937480ce01b6fe56ec2000ebf94..b85598877c0b4c3a51ce52a1aaccf9a3b0da54e7 100644
--- a/media/audio/audio_input_unittest.cc
+++ b/media/audio/audio_input_unittest.cc
@@ -24,13 +24,11 @@ namespace media {
 // expected and if any error has been reported.
 class TestInputCallback : public AudioInputStream::AudioInputCallback {
  public:
-  explicit TestInputCallback()
-      : callback_count_(0),
-        had_error_(0) {
-  }
+  explicit TestInputCallback() : callback_count_(0), had_error_(0) {}
   void OnData(AudioInputStream* stream,
               const AudioBus* source,
-              uint32_t hardware_delay_bytes,
+              base::TimeDelta delay,
+              base::TimeTicks delay_timestamp,
               double volume) override {
     ++callback_count_;
   }