Make down-conversion explicit from CFX_Widetring to CFX_WideStringC.

xfa/fxbarcode/cbc_code128.cpp

Index: xfa/fxbarcode/cbc_code128.cpp
diff --git a/xfa/fxbarcode/cbc_code128.cpp b/xfa/fxbarcode/cbc_code128.cpp
index e585de302cb00287f76030309f8e834e639aac82..2f7be931408fa4cb578ba0e0962fa516475506df 100644
--- a/xfa/fxbarcode/cbc_code128.cpp
+++ b/xfa/fxbarcode/cbc_code128.cpp
@@ -58,15 +58,16 @@ FX_BOOL CBC_Code128::Encode(const CFX_WideStringC& contents,
       ((CBC_OnedCode128Writer*)m_pBCWriter)->GetType() == BC_CODE128_C) {
     content += '0';
   }
-  CFX_WideString encodeContents =
-      ((CBC_OnedCode128Writer*)m_pBCWriter)->FilterContents(content);
+  CFX_WideString encodeContents = ((CBC_OnedCode128Writer*)m_pBCWriter)
+                                      ->FilterContents(content.AsWideStringC());
   m_renderContents = encodeContents;
   CFX_ByteString byteString = encodeContents.UTF8Encode();
   uint8_t* data = static_cast<CBC_OnedCode128Writer*>(m_pBCWriter)
                       ->Encode(byteString, format, outWidth, outHeight, e);
   BC_EXCEPTION_CHECK_ReturnValue(e, FALSE);
   ((CBC_OneDimWriter*)m_pBCWriter)
-      ->RenderResult(encodeContents, data, outWidth, isDevice, e);
+      ->RenderResult(encodeContents.AsWideStringC(), data, outWidth, isDevice,
+                     e);
   FX_Free(data);
   BC_EXCEPTION_CHECK_ReturnValue(e, FALSE);
   return TRUE;
@@ -76,14 +77,14 @@ FX_BOOL CBC_Code128::RenderDevice(CFX_RenderDevice* device,
                                   const CFX_Matrix* matirx,
                                   int32_t& e) {
   ((CBC_OneDimWriter*)m_pBCWriter)
-      ->RenderDeviceResult(device, matirx, m_renderContents, e);
+      ->RenderDeviceResult(device, matirx, m_renderContents.AsWideStringC(), e);
   BC_EXCEPTION_CHECK_ReturnValue(e, FALSE);
   return TRUE;
 }
 
 FX_BOOL CBC_Code128::RenderBitmap(CFX_DIBitmap*& pOutBitmap, int32_t& e) {
   ((CBC_OneDimWriter*)m_pBCWriter)
-      ->RenderBitmapResult(pOutBitmap, m_renderContents, e);
+      ->RenderBitmapResult(pOutBitmap, m_renderContents.AsWideStringC(), e);
   BC_EXCEPTION_CHECK_ReturnValue(e, FALSE);
   return TRUE;
 }