media::SilentSinkSuspender should simulate |delay| and |delay_timestamp|

media/base/audio_converter_unittest.cc

Index: media/base/audio_converter_unittest.cc
diff --git a/media/base/audio_converter_unittest.cc b/media/base/audio_converter_unittest.cc
index b3249124357dece0ac3d48955dba483e2185ed8c..dd362648c360931cf338a73d6f62bab2ddc5bc9d 100644
--- a/media/base/audio_converter_unittest.cc
+++ b/media/base/audio_converter_unittest.cc
@@ -15,6 +15,7 @@
 #include "base/macros.h"
 #include "base/memory/scoped_vector.h"
 #include "base/strings/string_number_conversions.h"
+#include "media/base/audio_timestamp_helper.h"
 #include "media/base/fake_audio_render_callback.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ -229,8 +230,9 @@ TEST(AudioConverterTest, AudioDelayAndDiscreteChannelCount) {
   // first two callbacks, 512 for the last two callbacks). See
   // SincResampler.ChunkSize().
   int kExpectedDelay = 992;
-
-  EXPECT_EQ(kExpectedDelay, callback.last_frames_delayed());
+  auto expected_delay =
+      AudioTimestampHelper::FramesToTime(kExpectedDelay, kSampleRate);
+  EXPECT_EQ(expected_delay, callback.last_delay());
   EXPECT_EQ(input_parameters.channels(), callback.last_channel_count());
 }