WebRtc_Word32 -> int32_t in video_engine/

BUG=314

Review URL: https://webrtc-codereview.appspot.com/1302005

git-svn-id: http://webrtc.googlecode.com/svn/trunk/webrtc@3801 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/video_engine/vie_codec_impl.cc b/video_engine/vie_codec_impl.cc
index 7d2d95d..9a8c2e5 100644
--- a/video_engine/vie_codec_impl.cc
+++ b/video_engine/vie_codec_impl.cc
@@ -49,7 +49,7 @@
   // Decrease ref count.
   (*this)--;
 
-  WebRtc_Word32 ref_count = GetCount();
+  int32_t ref_count = GetCount();
   if (ref_count < 0) {
     WEBRTC_TRACE(kTraceWarning, kTraceVideo, shared_data_->instance_id(),
                  "ViECodec released too many times");
@@ -511,7 +511,7 @@
     shared_data_->SetLastError(kViECodecInvalidChannelId);
     return -1;
   }
-  return vie_encoder->CodecTargetBitrate(static_cast<WebRtc_UWord32*>(bitrate));
+  return vie_encoder->CodecTargetBitrate(static_cast<uint32_t*>(bitrate));
 }
 
 unsigned int ViECodecImpl::GetDiscardedPackets(const int video_channel) const {