Allow more than 2 input channels in AudioProcessing.

webrtc/modules/audio_processing/include/mock_audio_processing.h

Index: webrtc/modules/audio_processing/include/mock_audio_processing.h
diff --git a/webrtc/modules/audio_processing/include/mock_audio_processing.h b/webrtc/modules/audio_processing/include/mock_audio_processing.h
index 480d0e34b2c686574ed7301b48be3530def35b5d..8007a86c7fde524aa7f35e6e33ba7036c29a6398 100644
--- a/webrtc/modules/audio_processing/include/mock_audio_processing.h
+++ b/webrtc/modules/audio_processing/include/mock_audio_processing.h
@@ -186,6 +186,8 @@ class MockAudioProcessing : public AudioProcessing {
           ChannelLayout input_layout,
           ChannelLayout output_layout,
           ChannelLayout reverse_layout));
+  MOCK_METHOD1(Initialize,
+      int(const ProcessingConfig& processing_config));
   MOCK_METHOD1(SetExtraOptions,
       void(const Config& config));
   MOCK_METHOD1(set_sample_rate_hz,
@@ -218,11 +220,18 @@ class MockAudioProcessing : public AudioProcessing {
           int output_sample_rate_hz,
           ChannelLayout output_layout,
           float* const* dest));
+  MOCK_METHOD4(ProcessStream,
+               int(const float* const* src,
+                   const StreamConfig& input_config,
+                   const StreamConfig& output_config,
+                   float* const* dest));
   MOCK_METHOD1(AnalyzeReverseStream,
       int(AudioFrame* frame));
   MOCK_METHOD4(AnalyzeReverseStream,
       int(const float* const* data, int frames, int sample_rate_hz,
           ChannelLayout input_layout));
+  MOCK_METHOD2(AnalyzeReverseStream,
+      int(const float* const* data, const StreamConfig& reverse_config));
   MOCK_METHOD1(set_stream_delay_ms,
       int(int delay));
   MOCK_CONST_METHOD0(stream_delay_ms,