WebRtc_Word32 -> int32_t in voice_engine/

BUG=314

Review URL: https://webrtc-codereview.appspot.com/1305004

git-svn-id: http://webrtc.googlecode.com/svn/trunk/webrtc@3792 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/voice_engine/shared_data.h b/voice_engine/shared_data.h
index cce6368..99cff04 100644
--- a/voice_engine/shared_data.h
+++ b/voice_engine/shared_data.h
@@ -33,7 +33,7 @@
 {
 public:
     // Public accessors.
-    WebRtc_UWord32 instance_id() const { return _instanceId; }
+    uint32_t instance_id() const { return _instanceId; }
     Statistics& statistics() { return _engineStatistics; }
     ChannelManager& channel_manager() { return _channelManager; }
     AudioDeviceModule* audio_device() { return _audioDevicePtr; }
@@ -55,16 +55,16 @@
       _audioDeviceLayer = layer;
     }
 
-    WebRtc_UWord16 NumOfSendingChannels();
+    uint16_t NumOfSendingChannels();
 
     // Convenience methods for calling statistics().SetLastError().
-    void SetLastError(const WebRtc_Word32 error) const;
-    void SetLastError(const WebRtc_Word32 error, const TraceLevel level) const;
-    void SetLastError(const WebRtc_Word32 error, const TraceLevel level,
+    void SetLastError(const int32_t error) const;
+    void SetLastError(const int32_t error, const TraceLevel level) const;
+    void SetLastError(const int32_t error, const TraceLevel level,
                       const char* msg) const;
 
 protected:
-    const WebRtc_UWord32 _instanceId;
+    const uint32_t _instanceId;
     CriticalSectionWrapper* _apiCritPtr;
     ChannelManager _channelManager;
     Statistics _engineStatistics;