Get rid of NULLs in xfa/

xfa/fgas/font/fgas_stdfontmgr.h

Index: xfa/fgas/font/fgas_stdfontmgr.h
diff --git a/xfa/fgas/font/fgas_stdfontmgr.h b/xfa/fgas/font/fgas_stdfontmgr.h
index 2aea2078aa4e2cda7537c510f8c57e0682b1d05f..ae1b05a0fcbbc114981a36f591dfc1c55d49b318 100644
--- a/xfa/fgas/font/fgas_stdfontmgr.h
+++ b/xfa/fgas/font/fgas_stdfontmgr.h
@@ -28,26 +28,26 @@ class CFGAS_StdFontMgrImp : public IFGAS_FontMgr {
   IFGAS_Font* GetDefFontByCodePage(
       uint16_t wCodePage,
       uint32_t dwFontStyles,
-      const FX_WCHAR* pszFontFamily = NULL) override;
+      const FX_WCHAR* pszFontFamily = nullptr) override;
   IFGAS_Font* GetDefFontByCharset(
       uint8_t nCharset,
       uint32_t dwFontStyles,
-      const FX_WCHAR* pszFontFamily = NULL) override;
+      const FX_WCHAR* pszFontFamily = nullptr) override;
   IFGAS_Font* GetDefFontByUnicode(
       FX_WCHAR wUnicode,
       uint32_t dwFontStyles,
-      const FX_WCHAR* pszFontFamily = NULL) override;
+      const FX_WCHAR* pszFontFamily = nullptr) override;
   IFGAS_Font* GetDefFontByLanguage(
       uint16_t wLanguage,
       uint32_t dwFontStyles,
-      const FX_WCHAR* pszFontFamily = NULL) override;
+      const FX_WCHAR* pszFontFamily = nullptr) override;
   IFGAS_Font* LoadFont(const FX_WCHAR* pszFontFamily,
                        uint32_t dwFontStyles,
                        uint16_t wCodePage = 0xFFFF) override;
   IFGAS_Font* LoadFont(const uint8_t* pBuffer, int32_t iLength) override;
   IFGAS_Font* LoadFont(const FX_WCHAR* pszFileName) override;
   IFGAS_Font* LoadFont(IFX_Stream* pFontStream,
-                       const FX_WCHAR* pszFontAlias = NULL,
+                       const FX_WCHAR* pszFontAlias = nullptr,
                        uint32_t dwFontStyles = 0,
                        uint16_t wCodePage = 0,
                        FX_BOOL bSaveStream = FALSE) override;
@@ -86,15 +86,16 @@ uint32_t FX_GetGdiFontStyles(const LOGFONTW& lf);
 class CFX_FontDescriptor {
  public:
   CFX_FontDescriptor()
-      : m_pFileAccess(NULL), m_nFaceIndex(0), m_dwFontStyles(0) {
+      : m_pFileAccess(nullptr), m_nFaceIndex(0), m_dwFontStyles(0) {
     m_dwUsb[0] = m_dwUsb[1] = m_dwUsb[2] = m_dwUsb[3] = 0;
     m_dwCsb[0] = m_dwCsb[1] = 0;
   }
+
   ~CFX_FontDescriptor() {
-    if (NULL != m_pFileAccess) {
+    if (m_pFileAccess)
       m_pFileAccess->Release();
-    }
   }
+
   IFX_FileAccess* m_pFileAccess;
   int32_t m_nFaceIndex;
   CFX_WideString m_wsFaceName;
@@ -158,31 +159,35 @@ class CFGAS_FontMgrImp : public IFGAS_FontMgr {
   IFGAS_Font* GetDefFontByCodePage(
       uint16_t wCodePage,
       uint32_t dwFontStyles,
-      const FX_WCHAR* pszFontFamily = NULL) override;
+      const FX_WCHAR* pszFontFamily = nullptr) override;
   IFGAS_Font* GetDefFontByCharset(
       uint8_t nCharset,
       uint32_t dwFontStyles,
-      const FX_WCHAR* pszFontFamily = NULL) override;
+      const FX_WCHAR* pszFontFamily = nullptr) override;
   IFGAS_Font* GetDefFontByUnicode(
       FX_WCHAR wUnicode,
       uint32_t dwFontStyles,
-      const FX_WCHAR* pszFontFamily = NULL) override;
+      const FX_WCHAR* pszFontFamily = nullptr) override;
   IFGAS_Font* GetDefFontByLanguage(
       uint16_t wLanguage,
       uint32_t dwFontStyles,
-      const FX_WCHAR* pszFontFamily = NULL) override;
-  IFGAS_Font* GetFontByCodePage(uint16_t wCodePage,
-                                uint32_t dwFontStyles,
-                                const FX_WCHAR* pszFontFamily = NULL) override;
-  IFGAS_Font* GetFontByCharset(uint8_t nCharset,
-                               uint32_t dwFontStyles,
-                               const FX_WCHAR* pszFontFamily = NULL) override;
-  IFGAS_Font* GetFontByUnicode(FX_WCHAR wUnicode,
-                               uint32_t dwFontStyles,
-                               const FX_WCHAR* pszFontFamily = NULL) override;
-  IFGAS_Font* GetFontByLanguage(uint16_t wLanguage,
-                                uint32_t dwFontStyles,
-                                const FX_WCHAR* pszFontFamily = NULL) override;
+      const FX_WCHAR* pszFontFamily = nullptr) override;
+  IFGAS_Font* GetFontByCodePage(
+      uint16_t wCodePage,
+      uint32_t dwFontStyles,
+      const FX_WCHAR* pszFontFamily = nullptr) override;
+  IFGAS_Font* GetFontByCharset(
+      uint8_t nCharset,
+      uint32_t dwFontStyles,
+      const FX_WCHAR* pszFontFamily = nullptr) override;
+  IFGAS_Font* GetFontByUnicode(
+      FX_WCHAR wUnicode,
+      uint32_t dwFontStyles,
+      const FX_WCHAR* pszFontFamily = nullptr) override;
+  IFGAS_Font* GetFontByLanguage(
+      uint16_t wLanguage,
+      uint32_t dwFontStyles,
+      const FX_WCHAR* pszFontFamily = nullptr) override;
   IFGAS_Font* LoadFont(const uint8_t* pBuffer,
                        int32_t iLength,
                        int32_t iFaceIndex,