Make down-conversion explicit from CFX_Widetring to CFX_WideStringC.

xfa/include/fxfa/xfa_ffwidget.h

 // Copyright 2014 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
 #ifndef XFA_INCLUDE_FXFA_XFA_FFWIDGET_H_
 #define XFA_INCLUDE_FXFA_XFA_FFWIDGET_H_
 
 #include <vector>
@@ skipping 146 matching lines @@
                    int32_t iVertAlign = XFA_ATTRIBUTEENUM_Top);
 CFX_DIBitmap* XFA_LoadImageData(CXFA_FFDoc* pDoc,
                                 CXFA_Image* pImage,
                                 FX_BOOL& bNameImage,
                                 int32_t& iImageXDpi,
                                 int32_t& iImageYDpi);
 CFX_DIBitmap* XFA_LoadImageFromBuffer(IFX_FileRead* pImageFileRead,
                                       FXCODEC_IMAGE_TYPE type,
                                       int32_t& iImageXDpi,
                                       int32_t& iImageYDpi);
-FXCODEC_IMAGE_TYPE XFA_GetImageType(const CFX_WideStringC& wsType);
+FXCODEC_IMAGE_TYPE XFA_GetImageType(const CFX_WideString& wsType);
 FX_CHAR* XFA_Base64Encode(const uint8_t* buf, int32_t buf_len);
 void XFA_RectWidthoutMargin(CFX_RectF& rt,
                             const CXFA_Margin& mg,
                             FX_BOOL bUI = FALSE);
 FX_FLOAT XFA_GetEdgeThickness(const CXFA_StrokeArray& strokes,
                               FX_BOOL b3DStyle,
                               int32_t nIndex);
 CXFA_FFWidget* XFA_GetWidgetFromLayoutItem(CXFA_LayoutItem* pLayoutItem);
 FX_BOOL XFA_IsCreateWidget(XFA_ELEMENT iType);
 #define XFA_DRAWBOX_ForceRound 1
 #define XFA_DRAWBOX_Lowered3D 2
 void XFA_DrawBox(CXFA_Box box,
                  CFX_Graphics* pGS,
                  const CFX_RectF& rtWidget,
                  CFX_Matrix* pMatrix,
                  uint32_t dwFlags = 0);
 
 #endif  // XFA_INCLUDE_FXFA_XFA_FFWIDGET_H_