Adding second layer of the echo canceller 3 functionality.

webrtc/modules/audio_processing/aec3/echo_canceller3_unittest.cc

Index: webrtc/modules/audio_processing/aec3/echo_canceller3_unittest.cc
diff --git a/webrtc/modules/audio_processing/aec3/echo_canceller3_unittest.cc b/webrtc/modules/audio_processing/aec3/echo_canceller3_unittest.cc
index 8baa45606f5474c598ada890a2a4fb2a276e0540..a42a873ef431a45a57c42fd1f7eab17931c0d8e7 100644
--- a/webrtc/modules/audio_processing/aec3/echo_canceller3_unittest.cc
+++ b/webrtc/modules/audio_processing/aec3/echo_canceller3_unittest.cc
@@ -82,7 +82,7 @@ class CaptureTransportVerificationProcessor : public BlockProcessor {
   explicit CaptureTransportVerificationProcessor(size_t num_bands) {}
   ~CaptureTransportVerificationProcessor() override = default;
 
-  void ProcessCapture(bool known_echo_path_change,
+  void ProcessCapture(bool level_change,
                       bool saturated_microphone_signal,
                       std::vector<std::vector<float>>* capture_block) override {
   }
@@ -91,7 +91,7 @@ class CaptureTransportVerificationProcessor : public BlockProcessor {
     return false;
   }
 
-  void ReportEchoLeakage(bool leakage_detected) override {}
+  void UpdateEchoLeakageStatus(bool leakage_detected) override {}
 
  private:
   RTC_DISALLOW_IMPLICIT_CONSTRUCTORS(CaptureTransportVerificationProcessor);
@@ -104,7 +104,7 @@ class RenderTransportVerificationProcessor : public BlockProcessor {
   explicit RenderTransportVerificationProcessor(size_t num_bands) {}
   ~RenderTransportVerificationProcessor() override = default;
 
-  void ProcessCapture(bool known_echo_path_change,
+  void ProcessCapture(bool level_change,
                       bool saturated_microphone_signal,
                       std::vector<std::vector<float>>* capture_block) override {
     std::vector<std::vector<float>> render_block =
@@ -118,7 +118,7 @@ class RenderTransportVerificationProcessor : public BlockProcessor {
     return false;
   }
 
-  void ReportEchoLeakage(bool leakage_detected) override {}
+  void UpdateEchoLeakageStatus(bool leakage_detected) override {}
 
  private:
   std::deque<std::vector<std::vector<float>>> received_render_blocks_;
@@ -218,7 +218,7 @@ class EchoCanceller3Tester {
             new StrictMock<webrtc::test::MockBlockProcessor>());
     EXPECT_CALL(*block_processor_mock, BufferRender(_))
         .Times(expected_num_block_to_process);
-    EXPECT_CALL(*block_processor_mock, ReportEchoLeakage(_)).Times(0);
+    EXPECT_CALL(*block_processor_mock, UpdateEchoLeakageStatus(_)).Times(0);
 
     switch (echo_path_change_test_variant) {
       case EchoPathChangeTestVariant::kNone:
@@ -300,18 +300,21 @@ class EchoCanceller3Tester {
 
     switch (leakage_report_variant) {
       case EchoLeakageTestVariant::kNone:
-        EXPECT_CALL(*block_processor_mock, ReportEchoLeakage(_)).Times(0);
+        EXPECT_CALL(*block_processor_mock, UpdateEchoLeakageStatus(_)).Times(0);
         break;
       case EchoLeakageTestVariant::kFalseSticky:
-        EXPECT_CALL(*block_processor_mock, ReportEchoLeakage(false)).Times(1);
+        EXPECT_CALL(*block_processor_mock, UpdateEchoLeakageStatus(false))
+            .Times(1);
         break;
       case EchoLeakageTestVariant::kTrueSticky:
-        EXPECT_CALL(*block_processor_mock, ReportEchoLeakage(true)).Times(1);
+        EXPECT_CALL(*block_processor_mock, UpdateEchoLeakageStatus(true))
+            .Times(1);
         break;
       case EchoLeakageTestVariant::kTrueNonSticky: {
         testing::InSequence s;
-        EXPECT_CALL(*block_processor_mock, ReportEchoLeakage(true)).Times(1);
-        EXPECT_CALL(*block_processor_mock, ReportEchoLeakage(false))
+        EXPECT_CALL(*block_processor_mock, UpdateEchoLeakageStatus(true))
+            .Times(1);
+        EXPECT_CALL(*block_processor_mock, UpdateEchoLeakageStatus(false))
             .Times(kNumFramesToProcess - 1);
       } break;
     }
@@ -326,19 +329,19 @@ class EchoCanceller3Tester {
           break;
         case EchoLeakageTestVariant::kFalseSticky:
           if (frame_index == 0) {
-            aec3.ReportEchoLeakage(false);
+            aec3.UpdateEchoLeakageStatus(false);
           }
           break;
         case EchoLeakageTestVariant::kTrueSticky:
           if (frame_index == 0) {
-            aec3.ReportEchoLeakage(true);
+            aec3.UpdateEchoLeakageStatus(true);
           }
           break;
         case EchoLeakageTestVariant::kTrueNonSticky:
           if (frame_index == 0) {
-            aec3.ReportEchoLeakage(true);
+            aec3.UpdateEchoLeakageStatus(true);
           } else {
-            aec3.ReportEchoLeakage(false);
+            aec3.UpdateEchoLeakageStatus(false);
           }
           break;
       }
@@ -382,7 +385,7 @@ class EchoCanceller3Tester {
             new StrictMock<webrtc::test::MockBlockProcessor>());
     EXPECT_CALL(*block_processor_mock, BufferRender(_))
         .Times(expected_num_block_to_process);
-    EXPECT_CALL(*block_processor_mock, ReportEchoLeakage(_)).Times(0);
+    EXPECT_CALL(*block_processor_mock, UpdateEchoLeakageStatus(_)).Times(0);
 
     switch (saturation_variant) {
       case SaturationTestVariant::kNone: