This CL renames variables and method and removes some one-line methods inside the APM

webrtc/modules/audio_processing/include/audio_processing.h

Index: webrtc/modules/audio_processing/include/audio_processing.h
diff --git a/webrtc/modules/audio_processing/include/audio_processing.h b/webrtc/modules/audio_processing/include/audio_processing.h
index 44ff7327ffeb849184869c7bfadc921438093821..18014868b9c1c6dd2633683adac6b8f1a382c29e 100644
--- a/webrtc/modules/audio_processing/include/audio_processing.h
+++ b/webrtc/modules/audio_processing/include/audio_processing.h
@@ -293,12 +293,12 @@ class AudioProcessing {
   // Initialize with unpacked parameters. See Initialize() above for details.
   //
   // TODO(mgraczyk): Remove once clients are updated to use the new interface.
-  virtual int Initialize(int input_sample_rate_hz,
-                         int output_sample_rate_hz,
-                         int reverse_sample_rate_hz,
-                         ChannelLayout input_layout,
-                         ChannelLayout output_layout,
-                         ChannelLayout reverse_layout) = 0;
+  virtual int Initialize(int capture_input_sample_rate_hz,
+                         int capture_output_sample_rate_hz,
+                         int render_sample_rate_hz,
+                         ChannelLayout capture_input_layout,
+                         ChannelLayout capture_output_layout,
+                         ChannelLayout render_input_layout) = 0;
 
   // Pass down additional options which don't have explicit setters. This
   // ensures the options are applied immediately.
@@ -385,8 +385,8 @@ class AudioProcessing {
   // Accepts deinterleaved float audio with the range [-1, 1]. Each element of
   // |data| points to a channel buffer, arranged according to |reverse_config|.
   virtual int ProcessReverseStream(const float* const* src,
-                                   const StreamConfig& reverse_input_config,
-                                   const StreamConfig& reverse_output_config,
+                                   const StreamConfig& input_config,
+                                   const StreamConfig& output_config,
                                    float* const* dest) = 0;
 
   // This must be called if and only if echo processing is enabled.