Allow more than 2 input channels in AudioProcessing.

talk/media/webrtc/fakewebrtcvoiceengine.h

Index: talk/media/webrtc/fakewebrtcvoiceengine.h
diff --git a/talk/media/webrtc/fakewebrtcvoiceengine.h b/talk/media/webrtc/fakewebrtcvoiceengine.h
index 419170b24dc471bdb2c1a8c2ec9ee7fe6fde6a5c..2019f3b78ef0a49efc3dde2d55187b4b51eac6e8 100644
--- a/talk/media/webrtc/fakewebrtcvoiceengine.h
+++ b/talk/media/webrtc/fakewebrtcvoiceengine.h
@@ -112,6 +112,8 @@ class FakeAudioProcessing : public webrtc::AudioProcessing {
       webrtc::AudioProcessing::ChannelLayout input_layout,
       webrtc::AudioProcessing::ChannelLayout output_layout,
       webrtc::AudioProcessing::ChannelLayout reverse_layout));
+  WEBRTC_STUB(Initialize, (
+      const webrtc::ProcessingConfig& processing_config));
 
   WEBRTC_VOID_FUNC(SetExtraOptions, (const webrtc::Config& config)) {
     experimental_ns_enabled_ = config.Get<webrtc::ExperimentalNs>().enabled;
@@ -136,12 +138,19 @@ class FakeAudioProcessing : public webrtc::AudioProcessing {
       int output_sample_rate_hz,
       webrtc::AudioProcessing::ChannelLayout output_layout,
       float* const* dest));
+  WEBRTC_STUB(ProcessStream, (
+      const float* const* src,
+      const webrtc::ProcessingConfig& processing_config,
+      float* const* dest));
   WEBRTC_STUB(AnalyzeReverseStream, (webrtc::AudioFrame* frame));
   WEBRTC_STUB(AnalyzeReverseStream, (
       const float* const* data,
       int samples_per_channel,
       int sample_rate_hz,
       webrtc::AudioProcessing::ChannelLayout layout));
+  WEBRTC_STUB(AnalyzeReverseStream, (
+      const float* const* data,
+      const webrtc::StreamConfig& reverse_config));
   WEBRTC_STUB(set_stream_delay_ms, (int delay));
   WEBRTC_STUB_CONST(stream_delay_ms, ());
   WEBRTC_BOOL_STUB_CONST(was_stream_delay_set, ());