WebRtc_Word32 -> int32_t in audio_processing/

BUG=314

Review URL: https://webrtc-codereview.appspot.com/1307004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@3809 4adac7df-926f-26a2-2b94-8c16560cd09d

webrtc/modules/audio_processing/include/mock_audio_processing.h

@@ -233,9 +233,9 @@ class MockAudioProcessing : public AudioProcessing {
     return voice_detection_.get();
   };
   MOCK_METHOD0(TimeUntilNextProcess,
-      WebRtc_Word32());
+      int32_t());
   MOCK_METHOD0(Process,
-      WebRtc_Word32());
+      int32_t());
 
  private:
   scoped_ptr<MockEchoCancellation> echo_cancellation_;