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

content/browser/renderer_host/media/audio_input_sync_writer.h

Index: content/browser/renderer_host/media/audio_input_sync_writer.h
diff --git a/content/browser/renderer_host/media/audio_input_sync_writer.h b/content/browser/renderer_host/media/audio_input_sync_writer.h
index 1d883e18a45319a39840fccf1e06b18797b2e9e1..1d24354428bcb251c60d2e1c921390bcb3ccd515 100644
--- a/content/browser/renderer_host/media/audio_input_sync_writer.h
+++ b/content/browser/renderer_host/media/audio_input_sync_writer.h
@@ -50,7 +50,8 @@ class CONTENT_EXPORT AudioInputSyncWriter
   void Write(const media::AudioBus* data,
              double volume,
              bool key_pressed,
-             uint32_t hardware_delay_bytes) override;
+             base::TimeDelta delay,
+             base::TimeTicks delay_timestamp) override;
   void Close() override;
 
   bool Init();
@@ -83,7 +84,8 @@ class CONTENT_EXPORT AudioInputSyncWriter
   bool PushDataToFifo(const media::AudioBus* data,
                       double volume,
                       bool key_pressed,
-                      uint32_t hardware_delay_bytes);
+                      base::TimeDelta delay,
+                      base::TimeTicks delay_timestamp);
 
   // Writes as much data as possible from the fifo (|overflow_buses_|) to the
   // shared memory ring buffer. Returns true if all operations were successful,
@@ -93,7 +95,8 @@ class CONTENT_EXPORT AudioInputSyncWriter
   // Write audio parameters to current segment in shared memory.
   void WriteParametersToCurrentSegment(double volume,
                                        bool key_pressed,
-                                       uint32_t hardware_delay_bytes);
+                                       base::TimeDelta delay,
+                                       base::TimeTicks delay_timestamp);
 
   // Signals over the socket that data has been written to the current segment.
   // Updates counters and returns true if successful. Logs error and returns
@@ -159,7 +162,8 @@ class CONTENT_EXPORT AudioInputSyncWriter
   ScopedVector<media::AudioBus> overflow_buses_;
   struct OverflowParams {
     double volume;
-    uint32_t hardware_delay_bytes;
+    base::TimeDelta delay;
+    base::TimeTicks delay_timestamp;
     bool key_pressed;
   };
   std::deque<OverflowParams> overflow_params_;