Add a Config parameter to AudioProcessing::Create().

Also add a parameter-less version; the (int) version is deprecated and
should be removed.

TBR=aluebs,bjornv
BUG=2844

Review URL: https://webrtc-codereview.appspot.com/7609004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@5431 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/webrtc/modules/audio_processing/audio_processing_impl.h b/webrtc/modules/audio_processing/audio_processing_impl.h
index caf93dc..249b789 100644
--- a/webrtc/modules/audio_processing/audio_processing_impl.h
+++ b/webrtc/modules/audio_processing/audio_processing_impl.h
@@ -47,7 +47,7 @@
     kSampleRate32kHz = 32000
   };
 
-  AudioProcessingImpl();
+  explicit AudioProcessingImpl(const Config& config);
   virtual ~AudioProcessingImpl();
 
   CriticalSectionWrapper* crit() const;