Delete deprecated CreateAudioSource method, with constraints.

Bug: webrtc:9239
Change-Id: I5025b7fd103247e0426ceabedc1216a4f0f0ab34
Reviewed-on: https://webrtc-review.googlesource.com/76560
Commit-Queue: Niels Moller <nisse@webrtc.org>
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Reviewed-by: Harald Alvestrand <hta@webrtc.org>
Reviewed-by: Taylor Brandstetter <deadbeef@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#23501}
diff --git a/pc/localaudiosource_unittest.cc b/pc/localaudiosource_unittest.cc
index bf566c6..b2d87ae 100644
--- a/pc/localaudiosource_unittest.cc
+++ b/pc/localaudiosource_unittest.cc
@@ -22,75 +22,6 @@
 using webrtc::MediaConstraintsInterface;
 using webrtc::MediaSourceInterface;
 
-TEST(LocalAudioSourceTest, SetValidOptions) {
-  webrtc::FakeConstraints constraints;
-  constraints.AddMandatory(
-      MediaConstraintsInterface::kGoogEchoCancellation, false);
-  constraints.AddOptional(
-      MediaConstraintsInterface::kExtendedFilterEchoCancellation, true);
-  constraints.AddOptional(MediaConstraintsInterface::kDAEchoCancellation, true);
-  constraints.AddOptional(MediaConstraintsInterface::kAutoGainControl, true);
-  constraints.AddOptional(
-      MediaConstraintsInterface::kExperimentalAutoGainControl, true);
-  constraints.AddMandatory(MediaConstraintsInterface::kNoiseSuppression, false);
-  constraints.AddOptional(MediaConstraintsInterface::kHighpassFilter, true);
-
-  rtc::scoped_refptr<LocalAudioSource> source =
-      LocalAudioSource::Create(&constraints);
-
-  EXPECT_EQ(false, source->options().echo_cancellation);
-  EXPECT_EQ(true, source->options().extended_filter_aec);
-  EXPECT_EQ(true, source->options().delay_agnostic_aec);
-  EXPECT_EQ(true, source->options().auto_gain_control);
-  EXPECT_EQ(true, source->options().experimental_agc);
-  EXPECT_EQ(false, source->options().noise_suppression);
-  EXPECT_EQ(true, source->options().highpass_filter);
-}
-
-TEST(LocalAudioSourceTest, OptionNotSet) {
-  webrtc::FakeConstraints constraints;
-  rtc::scoped_refptr<LocalAudioSource> source =
-      LocalAudioSource::Create(&constraints);
-  EXPECT_EQ(rtc::nullopt, source->options().highpass_filter);
-}
-
-TEST(LocalAudioSourceTest, MandatoryOverridesOptional) {
-  webrtc::FakeConstraints constraints;
-  constraints.AddMandatory(
-      MediaConstraintsInterface::kGoogEchoCancellation, false);
-  constraints.AddOptional(
-      MediaConstraintsInterface::kGoogEchoCancellation, true);
-
-  rtc::scoped_refptr<LocalAudioSource> source =
-      LocalAudioSource::Create(&constraints);
-
-  EXPECT_EQ(false, source->options().echo_cancellation);
-}
-
-TEST(LocalAudioSourceTest, InvalidOptional) {
-  webrtc::FakeConstraints constraints;
-  constraints.AddOptional(MediaConstraintsInterface::kHighpassFilter, false);
-  constraints.AddOptional("invalidKey", false);
-
-  rtc::scoped_refptr<LocalAudioSource> source =
-      LocalAudioSource::Create(&constraints);
-
-  EXPECT_EQ(MediaSourceInterface::kLive, source->state());
-  EXPECT_EQ(false, source->options().highpass_filter);
-}
-
-TEST(LocalAudioSourceTest, InvalidMandatory) {
-  webrtc::FakeConstraints constraints;
-  constraints.AddMandatory(MediaConstraintsInterface::kHighpassFilter, false);
-  constraints.AddMandatory("invalidKey", false);
-
-  rtc::scoped_refptr<LocalAudioSource> source =
-      LocalAudioSource::Create(&constraints);
-
-  EXPECT_EQ(MediaSourceInterface::kLive, source->state());
-  EXPECT_EQ(false, source->options().highpass_filter);
-}
-
 TEST(LocalAudioSourceTest, InitWithAudioOptions) {
   cricket::AudioOptions audio_options;
   audio_options.highpass_filter = true;
@@ -101,6 +32,6 @@
 
 TEST(LocalAudioSourceTest, InitWithNoOptions) {
   rtc::scoped_refptr<LocalAudioSource> source =
-      LocalAudioSource::Create((cricket::AudioOptions*)nullptr);
+      LocalAudioSource::Create(nullptr);
   EXPECT_EQ(rtc::nullopt, source->options().highpass_filter);
 }