Introduced the new parameter setting scheme for activating the high-pass filter in APM

webrtc/modules/audio_processing/high_pass_filter_unittest.cc

Index: webrtc/modules/audio_processing/high_pass_filter_unittest.cc
diff --git a/webrtc/modules/audio_processing/high_pass_filter_unittest.cc b/webrtc/modules/audio_processing/high_pass_filter_unittest.cc
index 932b5c3762dd1f37832948a11da90af957523bac..de17cf954810e0f8ed38ed310d6d2e2bcc2fe124 100644
--- a/webrtc/modules/audio_processing/high_pass_filter_unittest.cc
+++ b/webrtc/modules/audio_processing/high_pass_filter_unittest.cc
@@ -11,7 +11,7 @@
 
 #include "webrtc/base/array_view.h"
 #include "webrtc/modules/audio_processing/audio_buffer.h"
-#include "webrtc/modules/audio_processing/high_pass_filter_impl.h"
+#include "webrtc/modules/audio_processing/biquad_high_pass_filter.h"
 #include "webrtc/modules/audio_processing/test/audio_buffer_tools.h"
 #include "webrtc/modules/audio_processing/test/bitexactness_tools.h"
 #include "webrtc/test/gtest.h"
@@ -22,14 +22,14 @@ namespace {
 // Process one frame of data and produce the output.
 std::vector<float> ProcessOneFrame(const std::vector<float>& frame_input,
                                    const StreamConfig& stream_config,
-                                   HighPassFilterImpl* high_pass_filter) {
+                                   BiquadHighPassFilter* high_pass_filter) {
   AudioBuffer audio_buffer(
       stream_config.num_frames(), stream_config.num_channels(),
       stream_config.num_frames(), stream_config.num_channels(),
       stream_config.num_frames());
 
   test::CopyVectorToAudioBuffer(stream_config, frame_input, &audio_buffer);
-  high_pass_filter->ProcessCaptureAudio(&audio_buffer);
+  high_pass_filter->Process(&audio_buffer);
   std::vector<float> frame_output;
   test::ExtractVectorFromAudioBuffer(stream_config, &audio_buffer,
                                      &frame_output);
@@ -43,11 +43,7 @@ void RunBitexactnessTest(int sample_rate,
                          const std::vector<float>& input,
                          const std::vector<float>& reference) {
   const StreamConfig stream_config(sample_rate, num_channels, false);
-  rtc::CriticalSection crit;
-  HighPassFilterImpl high_pass_filter(&crit);
-
-  high_pass_filter.Initialize(num_channels, sample_rate);
-  high_pass_filter.Enable(true);
+  BiquadHighPassFilter high_pass_filter(num_channels, sample_rate);
 
   std::vector<float> output;
   const size_t num_frames_to_process =