Remove _FXBSTR* and calls to FX_BSTRC.

xfa/fde/css/fde_css.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_FDE_CSS_FDE_CSS_H_
 #define XFA_FDE_CSS_FDE_CSS_H_
 
 #include "core/include/fxge/fx_dib.h"
@@ skipping 441 matching lines @@
       uint16_t wCodePage,
       uint32_t dwMediaList = FDE_CSSMEDIATYPE_ALL);
   virtual FX_BOOL GetUrl(CFX_WideString& szUrl) = 0;
   virtual uint32_t GetMediaList() const = 0;
   virtual uint16_t GetCodePage() const = 0;
 
   virtual int32_t CountRules() const = 0;
   virtual IFDE_CSSRule* GetRule(int32_t index) = 0;
 };
 typedef CFX_ArrayTemplate<IFDE_CSSStyleSheet*> CFDE_CSSStyleSheetArray;
-#define FDE_CSSUSERSTYLESHEET (FX_BSTRC("#USERSHEET"))
-#define FDE_CSSUAGENTSTYLESHEET (FX_BSTRC("#AGENTSHEET"))
+
 class IFDE_CSSStyleSheetCache {
  public:
   static IFDE_CSSStyleSheetCache* Create();
   virtual ~IFDE_CSSStyleSheetCache() {}
   virtual void Release() = 0;
   virtual void SetMaxItems(int32_t iMaxCount = 5) = 0;
   virtual void AddStyleSheet(const CFX_ByteStringC& szKey,
                              IFDE_CSSStyleSheet* pStyleSheet) = 0;
   virtual IFDE_CSSStyleSheet* GetStyleSheet(
       const CFX_ByteStringC& szKey) const = 0;
@@ skipping 599 matching lines @@
       IFDE_CSSTagProvider* pTag,
       CFDE_CSSDeclarationArray& matchedDecls,
       FDE_CSSPERSUDO ePersudoType = FDE_CSSPERSUDO_NONE) = 0;
   virtual void ComputeStyle(IFDE_CSSTagProvider* pTag,
                             const IFDE_CSSDeclaration** ppDeclArray,
                             int32_t iDeclCount,
                             IFDE_CSSComputedStyle* pDestStyle) = 0;
 };
 
 #endif  // XFA_FDE_CSS_FDE_CSS_H_