Add adaptive notch filter to remove narrowband echo components in AEC3

webrtc/modules/audio_processing/aec3/suppression_gain_unittest.cc

Index: webrtc/modules/audio_processing/aec3/suppression_gain_unittest.cc
diff --git a/webrtc/modules/audio_processing/aec3/suppression_gain_unittest.cc b/webrtc/modules/audio_processing/aec3/suppression_gain_unittest.cc
index b6d6aaeb2e576bb7a9d5fa1c97e047333bbd9383..61238d93d4a6d1f0732009e2c119ebca1f609f79 100644
--- a/webrtc/modules/audio_processing/aec3/suppression_gain_unittest.cc
+++ b/webrtc/modules/audio_processing/aec3/suppression_gain_unittest.cc
@@ -30,7 +30,7 @@ TEST(SuppressionGain, NullOutputGains) {
   N2.fill(0.f);
   float high_bands_gain;
   EXPECT_DEATH(SuppressionGain(DetectOptimization())
-                   .GetGain(E2, R2, N2, false,
+                   .GetGain(E2, R2, N2, RenderSignalAnalyzer(), false,
                             std::vector<std::vector<float>>(
                                 3, std::vector<float>(kBlockSize, 0.f)),
                             false, &high_bands_gain, nullptr),
@@ -42,6 +42,7 @@ TEST(SuppressionGain, NullOutputGains) {
 // Does a sanity check that the gains are correctly computed.
 TEST(SuppressionGain, BasicGainComputation) {
   SuppressionGain suppression_gain(DetectOptimization());
+  RenderSignalAnalyzer analyzer;
   float high_bands_gain;
   std::array<float, kFftLengthBy2Plus1> E2;
   std::array<float, kFftLengthBy2Plus1> R2;
@@ -54,7 +55,8 @@ TEST(SuppressionGain, BasicGainComputation) {
   R2.fill(0.1f);
   N2.fill(100.f);
   for (int k = 0; k < 10; ++k) {
-    suppression_gain.GetGain(E2, R2, N2, false, x, false, &high_bands_gain, &g);
+    suppression_gain.GetGain(E2, R2, N2, analyzer, false, x, false,
+                             &high_bands_gain, &g);
   }
   std::for_each(g.begin(), g.end(),
                 [](float a) { EXPECT_NEAR(1.f, a, 0.001); });
@@ -64,7 +66,8 @@ TEST(SuppressionGain, BasicGainComputation) {
   R2.fill(0.1f);
   N2.fill(0.f);
   for (int k = 0; k < 10; ++k) {
-    suppression_gain.GetGain(E2, R2, N2, false, x, false, &high_bands_gain, &g);
+    suppression_gain.GetGain(E2, R2, N2, analyzer, false, x, false,
+                             &high_bands_gain, &g);
   }
   std::for_each(g.begin(), g.end(),
                 [](float a) { EXPECT_NEAR(1.f, a, 0.001); });
@@ -74,13 +77,15 @@ TEST(SuppressionGain, BasicGainComputation) {
   R2.fill(10000000000000.f);
   N2.fill(0.f);
   for (int k = 0; k < 10; ++k) {
-    suppression_gain.GetGain(E2, R2, N2, false, x, false, &high_bands_gain, &g);
+    suppression_gain.GetGain(E2, R2, N2, analyzer, false, x, false,
+                             &high_bands_gain, &g);
   }
   std::for_each(g.begin(), g.end(),
                 [](float a) { EXPECT_NEAR(0.f, a, 0.001); });
 
   // Verify the functionality for forcing a zero gain.
-  suppression_gain.GetGain(E2, R2, N2, false, x, true, &high_bands_gain, &g);
+  suppression_gain.GetGain(E2, R2, N2, analyzer, false, x, true,
+                           &high_bands_gain, &g);
   std::for_each(g.begin(), g.end(), [](float a) { EXPECT_FLOAT_EQ(0.f, a); });
   EXPECT_FLOAT_EQ(0.f, high_bands_gain);
 }