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

media/blink/webaudiosourceprovider_impl_unittest.cc

Index: media/blink/webaudiosourceprovider_impl_unittest.cc
diff --git a/media/blink/webaudiosourceprovider_impl_unittest.cc b/media/blink/webaudiosourceprovider_impl_unittest.cc
index fdc51b1ebecbdbe846bb2581e07b06b79825e666..fe8d7b699b5231cfcec82a2612d70e68cf987b98 100644
--- a/media/blink/webaudiosourceprovider_impl_unittest.cc
+++ b/media/blink/webaudiosourceprovider_impl_unittest.cc
@@ -259,7 +259,7 @@ TEST_P(WebAudioSourceProviderImplTest, ProvideInput) {
   bus2->Zero();
   wasp_impl_->provideInput(audio_data, params_.frames_per_buffer());
   ASSERT_TRUE(CompareBusses(bus1.get(), bus2.get()));
-  ASSERT_EQ(fake_callback_.last_frames_delayed(), -1);
+  ASSERT_EQ(fake_callback_.last_delay(), base::TimeDelta::Max());
 
   wasp_impl_->Start();
 
@@ -267,7 +267,7 @@ TEST_P(WebAudioSourceProviderImplTest, ProvideInput) {
   bus1->channel(0)[0] = 1;
   wasp_impl_->provideInput(audio_data, params_.frames_per_buffer());
   ASSERT_TRUE(CompareBusses(bus1.get(), bus2.get()));
-  ASSERT_EQ(fake_callback_.last_frames_delayed(), -1);
+  ASSERT_EQ(fake_callback_.last_delay(), base::TimeDelta::Max());
 
   wasp_impl_->Play();