Fixup incorrect include guards.

This CL updates include guards throughout the code base to be in the
chromium style.

BUG=pdfium:65
R=tsepez@chromium.org

Review URL: https://codereview.chromium.org/1707893004 .

30 files changed, 142 insertions, 90 deletions

diff --git a/xfa/src/fgas/include/fgas.h b/xfa/src/fgas/include/fgas.h
index adc4d2bd95..ba72ff3e25 100644
--- a/xfa/src/fgas/include/fgas.h
+++ b/xfa/src/fgas/include/fgas.h
@@ -6,8 +6,9 @@
 
 // TODO(thestig): Remove this file and do IWYU.
 
-#ifndef _FGAS_
-#define _FGAS_
+#ifndef XFA_SRC_FGAS_INCLUDE_FGAS_H_
+#define XFA_SRC_FGAS_INCLUDE_FGAS_H_
+
 #include "fx_sys.h"
 #include "fx_mem.h"
 #include "fx_lgg.h"
@@ -23,4 +24,5 @@
 #include "fx_lbk.h"
 #include "fx_tbk.h"
 #include "fx_rbk.h"
-#endif
+
+#endif  // XFA_SRC_FGAS_INCLUDE_FGAS_H_
diff --git a/xfa/src/fgas/include/fx_alg.h b/xfa/src/fgas/include/fx_alg.h
index 11ccdc63a7..dd593202da 100644
--- a/xfa/src/fgas/include/fx_alg.h
+++ b/xfa/src/fgas/include/fx_alg.h
@@ -4,8 +4,9 @@
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
-#ifndef _FX_ALGORITHM
-#define _FX_ALGORITHM
+#ifndef XFA_SRC_FGAS_INCLUDE_FX_ALG_H_
+#define XFA_SRC_FGAS_INCLUDE_FX_ALG_H_
+
 #define FX_IsOdd(a) ((a)&1)
 #ifdef __cplusplus
 extern "C" {
@@ -44,4 +45,5 @@ class CFX_DSPATemplate {
     return -1;
   }
 };
-#endif
+
+#endif  // XFA_SRC_FGAS_INCLUDE_FX_ALG_H_
diff --git a/xfa/src/fgas/include/fx_cpg.h b/xfa/src/fgas/include/fx_cpg.h
index 357ffd820a..84914766e6 100644
--- a/xfa/src/fgas/include/fx_cpg.h
+++ b/xfa/src/fgas/include/fx_cpg.h
@@ -4,8 +4,9 @@
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
-#ifndef _FX_CODEPAGE
-#define _FX_CODEPAGE
+#ifndef XFA_SRC_FGAS_INCLUDE_FX_CPG_H_
+#define XFA_SRC_FGAS_INCLUDE_FX_CPG_H_
+
 class IFX_CodePage;
 #define FX_CODEPAGE_DefANSI 0
 #define FX_CODEPAGE_DefOEM 1
@@ -245,4 +246,5 @@ class IFX_CodePage {
   virtual FX_BOOL IsValidUnicode(FX_WCHAR wUnicode) const = 0;
   virtual FX_WORD GetCharcode(FX_WCHAR wUnicode) const = 0;
 };
-#endif
+
+#endif  // XFA_SRC_FGAS_INCLUDE_FX_CPG_H_
diff --git a/xfa/src/fgas/include/fx_datetime.h b/xfa/src/fgas/include/fx_datetime.h
index 773acbd2fb..f5bbee7f81 100644
--- a/xfa/src/fgas/include/fx_datetime.h
+++ b/xfa/src/fgas/include/fx_datetime.h
@@ -4,8 +4,9 @@
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
-#ifndef _FX_DATETIME_H_
-#define _FX_DATETIME_H_
+#ifndef XFA_SRC_FGAS_INCLUDE_FX_DATETIME_H_
+#define XFA_SRC_FGAS_INCLUDE_FX_DATETIME_H_
+
 class CFX_Unitime;
 class CFX_DateTime;
 typedef int64_t FX_UNITIME;
@@ -389,4 +390,5 @@ class CFX_DateTime {
  private:
   FX_DATETIME m_DateTime;
 };
-#endif
+
+#endif  // XFA_SRC_FGAS_INCLUDE_FX_DATETIME_H_
diff --git a/xfa/src/fgas/include/fx_fnt.h b/xfa/src/fgas/include/fx_fnt.h
index 894ad183f5..34abab8846 100644
--- a/xfa/src/fgas/include/fx_fnt.h
+++ b/xfa/src/fgas/include/fx_fnt.h
@@ -4,8 +4,9 @@
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
-#ifndef _FX_FONT
-#define _FX_FONT
+#ifndef XFA_SRC_FGAS_INCLUDE_FX_FNT_H_
+#define XFA_SRC_FGAS_INCLUDE_FX_FNT_H_
+
 class IFX_Font;
 class IFX_FontMgr;
 #define FX_FONTSTYLE_Normal 0x00
@@ -261,4 +262,5 @@ class IFX_FontMgr {
   virtual void RemoveFont(IFX_Font* pFont) = 0;
 };
 #endif
-#endif
+
+#endif  // XFA_SRC_FGAS_INCLUDE_FX_FNT_H_
diff --git a/xfa/src/fgas/include/fx_lbk.h b/xfa/src/fgas/include/fx_lbk.h
index 2f0a300cd4..12a0fc1cad 100644
--- a/xfa/src/fgas/include/fx_lbk.h
+++ b/xfa/src/fgas/include/fx_lbk.h
@@ -4,8 +4,8 @@
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
-#ifndef _FX_LINEBREAK
-#define _FX_LINEBREAK
+#ifndef XFA_SRC_FGAS_INCLUDE_FX_LBK_H_
+#define XFA_SRC_FGAS_INCLUDE_FX_LBK_H_
 
 #include "core/include/fxcrt/fx_system.h"
 #include "xfa/src/fgas/include/fx_utl.h"
@@ -36,4 +36,5 @@ void FX_GetLineBreakPositions(const FX_WCHAR* pwsText,
 void FX_GetLineBreakPositions(const FX_WCHAR* pwsText,
                               int32_t iLength,
                               CFX_Int32MassArray& bp);
-#endif
+
+#endif  // XFA_SRC_FGAS_INCLUDE_FX_LBK_H_
diff --git a/xfa/src/fgas/include/fx_lgg.h b/xfa/src/fgas/include/fx_lgg.h
index ff30c53bc7..68e7ebd3ba 100644
--- a/xfa/src/fgas/include/fx_lgg.h
+++ b/xfa/src/fgas/include/fx_lgg.h
@@ -4,8 +4,9 @@
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
-#ifndef _FX_LANGUAGE
-#define _FX_LANGUAGE
+#ifndef XFA_SRC_FGAS_INCLUDE_FX_LGG_H_
+#define XFA_SRC_FGAS_INCLUDE_FX_LGG_H_
+
 #define FX_LANG_Neutral 0x0000
 #define FX_LANG_Invariant 0x007f
 #define FX_LANG_UserDefault 0x0400
@@ -264,4 +265,5 @@
 #define FX_LANG_YiPRC 0x0478
 #define FX_LANG_Yiddish 0x043d
 #define FX_LANG_Yoruba_Nigeria 0x046a
-#endif
+
+#endif  // XFA_SRC_FGAS_INCLUDE_FX_LGG_H_
diff --git a/xfa/src/fgas/include/fx_locale.h b/xfa/src/fgas/include/fx_locale.h
index 7ead311c53..36d19b5e14 100644
--- a/xfa/src/fgas/include/fx_locale.h
+++ b/xfa/src/fgas/include/fx_locale.h
@@ -4,8 +4,9 @@
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
-#ifndef _FX_LOCALE_H_
-#define _FX_LOCALE_H_
+#ifndef XFA_SRC_FGAS_INCLUDE_FX_LOCALE_H_
+#define XFA_SRC_FGAS_INCLUDE_FX_LOCALE_H_
+
 class CFX_Unitime;
 class IFX_Locale;
 class IFX_FormatString;
@@ -200,4 +201,5 @@ class CFX_Decimal {
   uint32_t m_uLo;
   uint32_t m_uMid;
 };
-#endif
+
+#endif  // XFA_SRC_FGAS_INCLUDE_FX_LOCALE_H_
diff --git a/xfa/src/fgas/include/fx_mem.h b/xfa/src/fgas/include/fx_mem.h
index 5d933dc06c..d59d391d44 100644
--- a/xfa/src/fgas/include/fx_mem.h
+++ b/xfa/src/fgas/include/fx_mem.h
@@ -4,8 +4,8 @@
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
-#ifndef _FX_MEMORY
-#define _FX_MEMORY
+#ifndef XFA_SRC_FGAS_INCLUDE_FX_MEM_H_
+#define XFA_SRC_FGAS_INCLUDE_FX_MEM_H_
 
 #include "core/include/fxcrt/fx_memory.h"  // For FX_Alloc().
 
@@ -53,4 +53,5 @@ class CFX_Target {
     (pointer)->~__class__();                                   \
     (pointer)->operator delete((pointer), (__allocator__));    \
   }
-#endif
+
+#endif  // XFA_SRC_FGAS_INCLUDE_FX_MEM_H_
diff --git a/xfa/src/fgas/include/fx_rbk.h b/xfa/src/fgas/include/fx_rbk.h
index e344959830..e3e0595f59 100644
--- a/xfa/src/fgas/include/fx_rbk.h
+++ b/xfa/src/fgas/include/fx_rbk.h
@@ -4,8 +4,9 @@
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
-#ifndef _FX_RTFBREAK
-#define _FX_RTFBREAK
+#ifndef XFA_SRC_FGAS_INCLUDE_FX_RBK_H_
+#define XFA_SRC_FGAS_INCLUDE_FX_RBK_H_
+
 class IFX_Unknown;
 class IFX_Font;
 class CFX_Char;
@@ -225,4 +226,5 @@ class IFX_RTFBreak {
                                CFX_RectFArray& rtArray,
                                FX_BOOL bCharBBox = FALSE) const = 0;
 };
-#endif
+
+#endif  // XFA_SRC_FGAS_INCLUDE_FX_RBK_H_
diff --git a/xfa/src/fgas/include/fx_sax.h b/xfa/src/fgas/include/fx_sax.h
index 70978a017b..02468d31d2 100644
--- a/xfa/src/fgas/include/fx_sax.h
+++ b/xfa/src/fgas/include/fx_sax.h
@@ -4,8 +4,9 @@
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
-#ifndef _FX_SAX_
-#define _FX_SAX_
+#ifndef XFA_SRC_FGAS_INCLUDE_FX_SAX_H_
+#define XFA_SRC_FGAS_INCLUDE_FX_SAX_H_
+
 class IFX_SAXReaderHandler;
 class IFX_SAXReader;
 #define FX_SAXPARSEMODE_NotConvert_amp 0x0001
@@ -60,4 +61,5 @@ class IFX_SAXReader {
   virtual void SetHandler(IFX_SAXReaderHandler* pHandler) = 0;
 };
 IFX_SAXReader* FX_SAXReader_Create();
-#endif
+
+#endif  // XFA_SRC_FGAS_INCLUDE_FX_SAX_H_
diff --git a/xfa/src/fgas/include/fx_stm.h b/xfa/src/fgas/include/fx_stm.h
index 43a2c8de08..0f0385b5ec 100644
--- a/xfa/src/fgas/include/fx_stm.h
+++ b/xfa/src/fgas/include/fx_stm.h
@@ -4,8 +4,9 @@
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
-#ifndef _FX_STREAM
-#define _FX_STREAM
+#ifndef XFA_SRC_FGAS_INCLUDE_FX_STM_H_
+#define XFA_SRC_FGAS_INCLUDE_FX_STM_H_
+
 class IFX_Stream;
 IFX_FileRead* FX_CreateFileRead(IFX_Stream* pBaseStream,
                                 FX_BOOL bReleaseStream = FALSE);
@@ -69,4 +70,5 @@ class IFX_Stream {
                                          int32_t iOffset,
                                          int32_t iLength) = 0;
 };
-#endif
+
+#endif  // XFA_SRC_FGAS_INCLUDE_FX_STM_H_
diff --git a/xfa/src/fgas/include/fx_sys.h b/xfa/src/fgas/include/fx_sys.h
index f2fe2157c6..b4732d7728 100644
--- a/xfa/src/fgas/include/fx_sys.h
+++ b/xfa/src/fgas/include/fx_sys.h
@@ -4,8 +4,9 @@
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
-#ifndef _FX_SYSTEM
-#define _FX_SYSTEM
+#ifndef XFA_SRC_FGAS_INCLUDE_FX_SYS_H_
+#define XFA_SRC_FGAS_INCLUDE_FX_SYS_H_
+
 #ifdef __cplusplus
 extern "C" {
 #endif
@@ -62,4 +63,5 @@ typedef FX_VERSION const* FX_LPCVERSION;
 #ifdef __cplusplus
 };
 #endif
-#endif
+
+#endif  // XFA_SRC_FGAS_INCLUDE_FX_SYS_H_
diff --git a/xfa/src/fgas/include/fx_tbk.h b/xfa/src/fgas/include/fx_tbk.h
index d9fef51f65..6ebfd4ce04 100644
--- a/xfa/src/fgas/include/fx_tbk.h
+++ b/xfa/src/fgas/include/fx_tbk.h
@@ -4,8 +4,8 @@
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
-#ifndef _FX_TEXTBREAK
-#define _FX_TEXTBREAK
+#ifndef XFA_SRC_FGAS_INCLUDE_FX_TBK_H_
+#define XFA_SRC_FGAS_INCLUDE_FX_TBK_H_
 
 #include "core/include/fxcrt/fx_ucd.h"
 
@@ -211,4 +211,5 @@ class IFX_TxtBreak {
                                CFX_RectFArray& rtArray,
                                FX_BOOL bCharBBox = FALSE) const = 0;
 };
-#endif
+
+#endif  // XFA_SRC_FGAS_INCLUDE_FX_TBK_H_
diff --git a/xfa/src/fgas/include/fx_ucd.h b/xfa/src/fgas/include/fx_ucd.h
index 6aa11ce8b4..51a0a1f2fc 100644
--- a/xfa/src/fgas/include/fx_ucd.h
+++ b/xfa/src/fgas/include/fx_ucd.h
@@ -4,8 +4,9 @@
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
-#ifndef _FGAS_UNICODE_
-#define _FGAS_UNICODE_
+#ifndef XFA_SRC_FGAS_INCLUDE_FX_UCD_H_
+#define XFA_SRC_FGAS_INCLUDE_FX_UCD_H_
+
 #define FX_JAPCHARPROPERTYEX_Left 0x01
 #define FX_JAPCHARPROPERTYEX_Center 0x02
 #define FX_JAPCHARPROPERTYEX_Right 0x03
@@ -30,4 +31,5 @@ FX_BOOL FX_AdjustJapCharDisplayPos(FX_WCHAR wch,
                                    FX_FLOAT fFontSize,
                                    FX_BOOL bVertical,
                                    CFX_PointF& ptOffset);
-#endif
+
+#endif  // XFA_SRC_FGAS_INCLUDE_FX_UCD_H_
diff --git a/xfa/src/fgas/include/fx_utl.h b/xfa/src/fgas/include/fx_utl.h
index 0e4a35a651..cd7f2a7ef2 100644
--- a/xfa/src/fgas/include/fx_utl.h
+++ b/xfa/src/fgas/include/fx_utl.h
@@ -4,8 +4,8 @@
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
-#ifndef _FX_UTILS
-#define _FX_UTILS
+#ifndef XFA_SRC_FGAS_INCLUDE_FX_UTL_H_
+#define XFA_SRC_FGAS_INCLUDE_FX_UTL_H_
 
 #include "fx_mem.h"
 #include "core/include/fxcrt/fx_coordinates.h"  // For CFX_Rect.
@@ -721,4 +721,5 @@ class CFX_CPLTree {
  protected:
   CPLTreeNode m_Root;
 };
-#endif
+
+#endif  // XFA_SRC_FGAS_INCLUDE_FX_UTL_H_
diff --git a/xfa/src/fgas/src/crt/fx_memory.h b/xfa/src/fgas/src/crt/fx_memory.h
index e181ce834d..931bfbf334 100644
--- a/xfa/src/fgas/src/crt/fx_memory.h
+++ b/xfa/src/fgas/src/crt/fx_memory.h
@@ -4,8 +4,9 @@
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
-#ifndef _FX_MEMORY_IMP
-#define _FX_MEMORY_IMP
+#ifndef XFA_SRC_FGAS_SRC_CRT_FX_MEMORY_H_
+#define XFA_SRC_FGAS_SRC_CRT_FX_MEMORY_H_
+
 class CFX_DefStore;
 class CFX_StaticStore;
 class CFX_FixedStore;
@@ -132,4 +133,5 @@ class CFX_DynamicStore : public IFX_MEMAllocator, public CFX_Target {
   FX_LPDYNAMICSTORECHUNK m_pChunk;
   FX_LPDYNAMICSTORECHUNK AllocChunk(size_t size);
 };
-#endif
+
+#endif  // XFA_SRC_FGAS_SRC_CRT_FX_MEMORY_H_
diff --git a/xfa/src/fgas/src/crt/fx_stream.h b/xfa/src/fgas/src/crt/fx_stream.h
index 122cda1e39..15646a5de9 100644
--- a/xfa/src/fgas/src/crt/fx_stream.h
+++ b/xfa/src/fgas/src/crt/fx_stream.h
@@ -4,8 +4,9 @@
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
-#ifndef _FX_STREAM_IMP
-#define _FX_STREAM_IMP
+#ifndef XFA_SRC_FGAS_SRC_CRT_FX_STREAM_H_
+#define XFA_SRC_FGAS_SRC_CRT_FX_STREAM_H_
+
 class CFX_StreamImp;
 class CFX_FileStreamImp;
 class CFX_BufferStreamImp;
@@ -308,4 +309,4 @@ class CFGAS_FileWrite : public IFX_FileWrite {
   FX_BOOL m_bReleaseStream;
 };
 
-#endif
+#endif  // XFA_SRC_FGAS_SRC_CRT_FX_STREAM_H_
diff --git a/xfa/src/fgas/src/crt/fx_utils.h b/xfa/src/fgas/src/crt/fx_utils.h
index 35fdd54423..e491ec024f 100644
--- a/xfa/src/fgas/src/crt/fx_utils.h
+++ b/xfa/src/fgas/src/crt/fx_utils.h
@@ -4,8 +4,9 @@
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
-#ifndef _FX_UTILS_IMP
-#define _FX_UTILS_IMP
+#ifndef XFA_SRC_FGAS_SRC_CRT_FX_UTILS_H_
+#define XFA_SRC_FGAS_SRC_CRT_FX_UTILS_H_
+
 class CFX_BaseMassArrayImp : public CFX_Target {
  public:
   CFX_BaseMassArrayImp(int32_t iChunkSize, int32_t iBlockSize);
@@ -33,4 +34,5 @@ class CFX_BaseMassArrayImp : public CFX_Target {
               int32_t iSrcStart = 0,
               int32_t iSrcCount = -1);
 };
-#endif
+
+#endif  // XFA_SRC_FGAS_SRC_CRT_FX_UTILS_H_
diff --git a/xfa/src/fgas/src/fgas_base.h b/xfa/src/fgas/src/fgas_base.h
index df5e56a192..1f5f7797ef 100644
--- a/xfa/src/fgas/src/fgas_base.h
+++ b/xfa/src/fgas/src/fgas_base.h
@@ -6,9 +6,11 @@
 
 // TODO(thestig): Remove this file and do IWYU.
 
-#ifndef _FXMATH_BASE_
-#define _FXMATH_BASE_
+#ifndef XFA_SRC_FGAS_SRC_FXGAS_BASE_H_
+#define XFA_SRC_FGAS_SRC_FXGAS_BASE_H_
+
 #include "xfa/src/foxitlib.h"
 #include "core/include/fxge/fx_freetype.h"
 #include "xfa/src/fgas/include/fgas.h"
-#endif
+
+#endif  // XFA_SRC_FGAS_SRC_FXGAS_BASE_H_
diff --git a/xfa/src/fgas/src/font/fx_fontutils.h b/xfa/src/fgas/src/font/fx_fontutils.h
index 0bac043d48..100a70ae78 100644
--- a/xfa/src/fgas/src/font/fx_fontutils.h
+++ b/xfa/src/fgas/src/font/fx_fontutils.h
@@ -4,8 +4,9 @@
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
-#ifndef _FGAS_FONTUTIL_H_
-#define _FGAS_FONTUTIL_H_
+#ifndef XFA_SRC_FGAS_SRC_FONT_FX_FONTUTILS_H_
+#define XFA_SRC_FGAS_SRC_FONT_FX_FONTUTILS_H_
+
 typedef struct _FGAS_FONTUSB {
   FX_WCHAR wStartUnicode;
   FX_WCHAR wEndUnicode;
@@ -18,4 +19,5 @@ FX_DWORD FGAS_GetFontFamilyHash(const FX_WCHAR* pszFontFamily,
                                 FX_DWORD dwFontStyles,
                                 FX_WORD wCodePage);
 FGAS_LPCFONTUSB FGAS_GetUnicodeBitField(FX_WCHAR wUnicode);
-#endif
+
+#endif  // XFA_SRC_FGAS_SRC_FONT_FX_FONTUTILS_H_
diff --git a/xfa/src/fgas/src/font/fx_gdifont.h b/xfa/src/fgas/src/font/fx_gdifont.h
index 648a37c521..b267e979a9 100644
--- a/xfa/src/fgas/src/font/fx_gdifont.h
+++ b/xfa/src/fgas/src/font/fx_gdifont.h
@@ -4,8 +4,9 @@
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
-#ifndef _FX_GDIOBJECT_IMP
-#define _FX_GDIOBJECT_IMP
+#ifndef XFA_SRC_FGAS_SRC_FONT_FX_GDIFONT_H_
+#define XFA_SRC_FGAS_SRC_FONT_FX_GDIFONT_H_
+
 #ifdef _FXPLUS
 #if _FX_OS_ == _FX_WIN32_DESKTOP_ || _FX_OS_ == _FX_WIN32_MOBILE_ || \
     _FX_OS_ == _FX_WIN64_
@@ -103,4 +104,5 @@ class CFX_GdiFont : public IFX_Font, public CFX_ThreadLock {
 };
 #endif
 #endif
-#endif
+
+#endif  // XFA_SRC_FGAS_SRC_FONT_FX_GDIFONT_H_
diff --git a/xfa/src/fgas/src/font/fx_gefont.h b/xfa/src/fgas/src/font/fx_gefont.h
index 9137cba82d..cddc984ca7 100644
--- a/xfa/src/fgas/src/font/fx_gefont.h
+++ b/xfa/src/fgas/src/font/fx_gefont.h
@@ -4,8 +4,9 @@
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
-#ifndef _FX_GRAPHOBJS_IMP
-#define _FX_GRAPHOBJS_IMP
+#ifndef XFA_SRC_FGAS_SRC_FONT_FX_GEFONT_H_
+#define XFA_SRC_FGAS_SRC_FONT_FX_GEFONT_H_
+
 #ifndef _FXPLUS
 class CFX_GEFontMgr;
 #ifndef FXFONT_SUBST_ITALIC
@@ -87,4 +88,5 @@ class CFX_GEFont : public IFX_Font, public CFX_ThreadLock {
                         FX_BOOL bCharCode = FALSE);
 };
 #endif
-#endif
+
+#endif  // XFA_SRC_FGAS_SRC_FONT_FX_GEFONT_H_
diff --git a/xfa/src/fgas/src/font/fx_stdfontmgr.h b/xfa/src/fgas/src/font/fx_stdfontmgr.h
index fe14ad7984..1d750e17fa 100644
--- a/xfa/src/fgas/src/font/fx_stdfontmgr.h
+++ b/xfa/src/fgas/src/font/fx_stdfontmgr.h
@@ -4,8 +4,9 @@
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
-#ifndef _FX_FONTMGR_IMP
-#define _FX_FONTMGR_IMP
+#ifndef XFA_SRC_FGAS_SRC_FONT_FX_STDFONTMGR_H_
+#define XFA_SRC_FGAS_SRC_FONT_FX_STDFONTMGR_H_
+
 #if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
 int32_t FX_GetSimilarValue(FX_LPCFONTDESCRIPTOR pFont, FX_DWORD dwFontStyles);
 FX_LPCFONTDESCRIPTOR FX_DefFontMatcher(FX_LPFONTMATCHPARAMS pParams,
@@ -231,4 +232,5 @@ class CFX_FontMgrImp : public IFX_FontMgr {
   void* m_pUserData;
 };
 #endif
-#endif
+
+#endif  // XFA_SRC_FGAS_SRC_FONT_FX_STDFONTMGR_H_
diff --git a/xfa/src/fgas/src/layout/fx_rtfbreak.h b/xfa/src/fgas/src/layout/fx_rtfbreak.h
index fbb955566a..895661149d 100644
--- a/xfa/src/fgas/src/layout/fx_rtfbreak.h
+++ b/xfa/src/fgas/src/layout/fx_rtfbreak.h
@@ -4,8 +4,8 @@
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
-#ifndef _FX_RTFBREAK_IMP
-#define _FX_RTFBREAK_IMP
+#ifndef XFA_SRC_FGAS_SRC_LAYOUT_FX_RTFBREAK_H_
+#define XFA_SRC_FGAS_SRC_LAYOUT_FX_RTFBREAK_H_
 
 #include "core/include/fxcrt/fx_arb.h"
 
@@ -171,4 +171,5 @@ class CFX_RTFBreak : public IFX_RTFBreak {
                           FX_BOOL bAllChars,
                           FX_DWORD dwStatus);
 };
-#endif
+
+#endif  // XFA_SRC_FGAS_SRC_LAYOUT_FX_RTFBREAK_H_
diff --git a/xfa/src/fgas/src/layout/fx_textbreak.h b/xfa/src/fgas/src/layout/fx_textbreak.h
index 6644725e1b..e9164fdade 100644
--- a/xfa/src/fgas/src/layout/fx_textbreak.h
+++ b/xfa/src/fgas/src/layout/fx_textbreak.h
@@ -4,8 +4,8 @@
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
-#ifndef _FX_TEXTBREAK_IMP
-#define _FX_TEXTBREAK_IMP
+#ifndef XFA_SRC_FGAS_SRC_LAYOUT_FX_TEXTBREAK_H_
+#define XFA_SRC_FGAS_SRC_LAYOUT_FX_TEXTBREAK_H_
 
 #include "core/include/fxcrt/fx_memory.h"
 
@@ -168,4 +168,5 @@ class CFX_TxtBreak : public IFX_TxtBreak {
                      CFX_TxtLine* pNextLine,
                      FX_BOOL bAllChars = FALSE);
 };
-#endif
+
+#endif  // XFA_SRC_FGAS_SRC_LAYOUT_FX_TEXTBREAK_H_
diff --git a/xfa/src/fgas/src/layout/fx_unicode.h b/xfa/src/fgas/src/layout/fx_unicode.h
index 92ec5004ea..8c6149a3a8 100644
--- a/xfa/src/fgas/src/layout/fx_unicode.h
+++ b/xfa/src/fgas/src/layout/fx_unicode.h
@@ -4,12 +4,14 @@
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
-#ifndef _FGAS_UNICODE_IMP
-#define _FGAS_UNICODE_IMP
+#ifndef XFA_SRC_FGAS_SRC_LAYOUT_FX_UNICODE_H_
+#define XFA_SRC_FGAS_SRC_LAYOUT_FX_UNICODE_H_
+
 typedef struct _FX_TPO {
   int32_t index;
   int32_t pos;
 } FX_TPO;
 typedef CFX_MassArrayTemplate<FX_TPO> CFX_TPOArray;
 void FX_TEXTLAYOUT_PieceSort(CFX_TPOArray& tpos, int32_t iStart, int32_t iEnd);
-#endif
+
+#endif  // XFA_SRC_FGAS_SRC_LAYOUT_FX_UNICODE_H_
diff --git a/xfa/src/fgas/src/localization/fx_localeimp.h b/xfa/src/fgas/src/localization/fx_localeimp.h
index 1de517f8b6..02e4c5254f 100644
--- a/xfa/src/fgas/src/localization/fx_localeimp.h
+++ b/xfa/src/fgas/src/localization/fx_localeimp.h
@@ -4,8 +4,9 @@
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
-#ifndef _FX_LOCALE_IMP_H_
-#define _FX_LOCALE_IMP_H_
+#ifndef XFA_SRC_FGAS_SRC_LOCALIZATION_FX_LOCALEIMP_H_
+#define XFA_SRC_FGAS_SRC_LOCALIZATION_FX_LOCALEIMP_H_
+
 class CFX_LCNumeric;
 class CFX_Locale : public IFX_Locale {
  public:
@@ -113,4 +114,5 @@ class CFX_FormatString : public IFX_FormatString {
   IFX_LocaleMgr* m_pLocaleMgr;
   FX_BOOL m_bUseLCID;
 };
-#endif
+
+#endif  // XFA_SRC_FGAS_SRC_LOCALIZATION_FX_LOCALEIMP_H_
diff --git a/xfa/src/fgas/src/localization/fx_localemgr.h b/xfa/src/fgas/src/localization/fx_localemgr.h
index 1428a4346a..96f072a7e2 100644
--- a/xfa/src/fgas/src/localization/fx_localemgr.h
+++ b/xfa/src/fgas/src/localization/fx_localemgr.h
@@ -4,8 +4,9 @@
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
-#ifndef _FX_LOCALEMGR_IMP_H_
-#define _FX_LOCALEMGR_IMP_H_
+#ifndef XFA_SRC_FGAS_SRC_LOCALIZATION_FX_LOCALEMGR_H_
+#define XFA_SRC_FGAS_SRC_LOCALIZATION_FX_LOCALEMGR_H_
+
 class CFX_LocaleMgr : public IFX_LocaleMgr {
  public:
   CFX_LocaleMgr(FX_WORD wDefLCID);
@@ -21,4 +22,5 @@ class CFX_LocaleMgr : public IFX_LocaleMgr {
   CFX_MapPtrToPtr m_lcid2locale;
   FX_WORD m_wDefLCID;
 };
-#endif
+
+#endif  // XFA_SRC_FGAS_SRC_LOCALIZATION_FX_LOCALEMGR_H_
diff --git a/xfa/src/fgas/src/xml/fx_sax_imp.h b/xfa/src/fgas/src/xml/fx_sax_imp.h
index 76809b9503..8418c4e0c1 100644
--- a/xfa/src/fgas/src/xml/fx_sax_imp.h
+++ b/xfa/src/fgas/src/xml/fx_sax_imp.h
@@ -4,8 +4,8 @@
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
-#ifndef _FX_SAX_IMP_
-#define _FX_SAX_IMP_
+#ifndef XFA_SRC_FGAS_SRC_XML_FX_SAX_IMP_H_
+#define XFA_SRC_FGAS_SRC_XML_FX_SAX_IMP_H_
 
 class CFX_SAXFile {
  public:
@@ -131,4 +131,5 @@ class CFX_SAXReader : public IFX_SAXReader {
   void ReallocNameBuffer();
   void ParseChar(uint8_t ch);
 };
-#endif
+
+#endif  // XFA_SRC_FGAS_SRC_XML_FX_SAX_IMP_H_