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

content/renderer/media/html_audio_element_capturer_source_unittest.cc

Index: content/renderer/media/html_audio_element_capturer_source_unittest.cc
diff --git a/content/renderer/media/html_audio_element_capturer_source_unittest.cc b/content/renderer/media/html_audio_element_capturer_source_unittest.cc
index 7c0c88521232985f0acf19f61ad57e87320d583c..5e60e039e221bc72a04d96bec7f058d739a6f046 100644
--- a/content/renderer/media/html_audio_element_capturer_source_unittest.cc
+++ b/content/renderer/media/html_audio_element_capturer_source_unittest.cc
@@ -65,7 +65,7 @@ class MockMediaStreamAudioSink final : public MediaStreamAudioSink {
 class HTMLAudioElementCapturerSourceTest : public testing::Test {
  public:
   HTMLAudioElementCapturerSourceTest()
-      : fake_callback_(0.1),
+      : fake_callback_(0.1, kAudioTrackSampleRate),
         audio_source_(new media::WebAudioSourceProviderImpl(
             new media::NullAudioSink(base::ThreadTaskRunnerHandle::Get()),
             new media::MediaLog())) {}