Rename CFX_BreakPiece to CFGAS_BreakPiece.

Same for CFX_TextPiece and CFX_BreakLine.

Bug: pdfium:1567
Change-Id: If4a1f13176e8f632f15059d0c9b16316993d5a52
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/78710
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Tom Sepez <tsepez@chromium.org>
diff --git a/xfa/fde/cfde_texteditengine.cpp b/xfa/fde/cfde_texteditengine.cpp
index 07821ba..1b8bfe4 100644
--- a/xfa/fde/cfde_texteditengine.cpp
+++ b/xfa/fde/cfde_texteditengine.cpp
@@ -1100,7 +1100,7 @@
       continue;
     int32_t piece_count = text_break_.CountBreakPieces();
     for (int32_t i = 0; i < piece_count; ++i) {
-      const CFX_BreakPiece* piece = text_break_.GetBreakPieceUnstable(i);
+      const CFGAS_BreakPiece* piece = text_break_.GetBreakPieceUnstable(i);
 
       FDE_TEXTEDITPIECE txtEdtPiece;
       txtEdtPiece.rtPiece.left = piece->m_iStartPos / 20000.0f;
diff --git a/xfa/fde/cfde_textout.cpp b/xfa/fde/cfde_textout.cpp
index 38e38a4..39d5864 100644
--- a/xfa/fde/cfde_textout.cpp
+++ b/xfa/fde/cfde_textout.cpp
@@ -254,7 +254,7 @@
   float fLineStep = std::max(m_fLineSpace, m_fFontSize);
   float fLineWidth = 0.0f;
   for (int32_t i = 0; i < m_pTxtBreak->CountBreakPieces(); i++) {
-    const CFX_BreakPiece* pPiece = m_pTxtBreak->GetBreakPieceUnstable(i);
+    const CFGAS_BreakPiece* pPiece = m_pTxtBreak->GetBreakPieceUnstable(i);
     fLineWidth += static_cast<float>(pPiece->m_iWidth) / 20000.0f;
     *pStartPos = std::min(*pStartPos,
                           static_cast<float>(pPiece->m_iStartPos) / 20000.0f);
@@ -371,7 +371,7 @@
   int32_t iLineWidth = FXSYS_roundf(rect.Width() * 20000.0f);
   int32_t iCount = m_pTxtBreak->CountBreakPieces();
   for (int32_t i = 0; i < iCount; i++) {
-    const CFX_BreakPiece* pPiece = m_pTxtBreak->GetBreakPieceUnstable(i);
+    const CFGAS_BreakPiece* pPiece = m_pTxtBreak->GetBreakPieceUnstable(i);
     int32_t iPieceChars = pPiece->GetLength();
     int32_t iChar = *pStartChar;
     int32_t iWidth = 0;
diff --git a/xfa/fgas/layout/BUILD.gn b/xfa/fgas/layout/BUILD.gn
index 68b4445..5311383 100644
--- a/xfa/fgas/layout/BUILD.gn
+++ b/xfa/fgas/layout/BUILD.gn
@@ -11,20 +11,20 @@
   sources = [
     "cfgas_break.cpp",
     "cfgas_break.h",
+    "cfgas_breakline.cpp",
+    "cfgas_breakline.h",
+    "cfgas_breakpiece.cpp",
+    "cfgas_breakpiece.h",
     "cfgas_char.cpp",
     "cfgas_char.h",
     "cfgas_rtfbreak.cpp",
     "cfgas_rtfbreak.h",
+    "cfgas_textpiece.cpp",
+    "cfgas_textpiece.h",
     "cfgas_txtbreak.cpp",
     "cfgas_txtbreak.h",
-    "cfx_breakline.cpp",
-    "cfx_breakline.h",
-    "cfx_breakpiece.cpp",
-    "cfx_breakpiece.h",
     "cfx_linkuserdata.cpp",
     "cfx_linkuserdata.h",
-    "cfx_textpiece.cpp",
-    "cfx_textpiece.h",
     "cfx_textuserdata.cpp",
     "cfx_textuserdata.h",
     "fx_arabic.cpp",
diff --git a/xfa/fgas/layout/cfgas_break.cpp b/xfa/fgas/layout/cfgas_break.cpp
index efe11fc..13b3904 100644
--- a/xfa/fgas/layout/cfgas_break.cpp
+++ b/xfa/fgas/layout/cfgas_break.cpp
@@ -23,7 +23,7 @@
 
 void CFGAS_Break::Reset() {
   m_eCharType = FX_CHARTYPE::kUnknown;
-  for (CFX_BreakLine& line : m_Lines)
+  for (CFGAS_BreakLine& line : m_Lines)
     line.Clear();
 }
 
@@ -147,7 +147,8 @@
                    : 0;
 }
 
-const CFX_BreakPiece* CFGAS_Break::GetBreakPieceUnstable(int32_t index) const {
+const CFGAS_BreakPiece* CFGAS_Break::GetBreakPieceUnstable(
+    int32_t index) const {
   if (!HasLine())
     return nullptr;
   if (!pdfium::IndexInBounds(m_Lines[m_iReadyLineIndex].m_LinePieces, index))
diff --git a/xfa/fgas/layout/cfgas_break.h b/xfa/fgas/layout/cfgas_break.h
index bb7081f..ebab59e 100644
--- a/xfa/fgas/layout/cfgas_break.h
+++ b/xfa/fgas/layout/cfgas_break.h
@@ -11,7 +11,7 @@
 
 #include "core/fxcrt/retain_ptr.h"
 #include "core/fxcrt/unowned_ptr.h"
-#include "xfa/fgas/layout/cfx_breakline.h"
+#include "xfa/fgas/layout/cfgas_breakline.h"
 
 class CFGAS_GEFont;
 
@@ -53,11 +53,11 @@
   void SetParagraphBreakChar(wchar_t wch);
 
   int32_t CountBreakPieces() const;
-  const CFX_BreakPiece* GetBreakPieceUnstable(int32_t index) const;
+  const CFGAS_BreakPiece* GetBreakPieceUnstable(int32_t index) const;
   void ClearBreakPieces();
 
   CFGAS_Char* GetLastChar(int32_t index, bool bOmitChar, bool bRichText) const;
-  const CFX_BreakLine* GetCurrentLineForTesting() const {
+  const CFGAS_BreakLine* GetCurrentLineForTesting() const {
     return m_pCurLine.Get();
   }
 
@@ -87,9 +87,9 @@
   int32_t m_iTolerance = 0;
   int32_t m_iCharSpace = 0;
   RetainPtr<CFGAS_GEFont> m_pFont;
-  UnownedPtr<CFX_BreakLine> m_pCurLine;
+  UnownedPtr<CFGAS_BreakLine> m_pCurLine;
   int8_t m_iReadyLineIndex = -1;
-  CFX_BreakLine m_Lines[2];
+  CFGAS_BreakLine m_Lines[2];
 };
 
 #endif  // XFA_FGAS_LAYOUT_CFGAS_BREAK_H_
diff --git a/xfa/fgas/layout/cfx_breakline.cpp b/xfa/fgas/layout/cfgas_breakline.cpp
similarity index 62%
rename from xfa/fgas/layout/cfx_breakline.cpp
rename to xfa/fgas/layout/cfgas_breakline.cpp
index 350743a..effd109 100644
--- a/xfa/fgas/layout/cfx_breakline.cpp
+++ b/xfa/fgas/layout/cfgas_breakline.cpp
@@ -4,36 +4,36 @@
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
-#include "xfa/fgas/layout/cfx_breakline.h"
+#include "xfa/fgas/layout/cfgas_breakline.h"
 
 #include "third_party/base/check.h"
 #include "third_party/base/stl_util.h"
 
-CFX_BreakLine::CFX_BreakLine() = default;
+CFGAS_BreakLine::CFGAS_BreakLine() = default;
 
-CFX_BreakLine::~CFX_BreakLine() = default;
+CFGAS_BreakLine::~CFGAS_BreakLine() = default;
 
-CFGAS_Char* CFX_BreakLine::GetChar(int32_t index) {
+CFGAS_Char* CFGAS_BreakLine::GetChar(int32_t index) {
   DCHECK(pdfium::IndexInBounds(m_LineChars, index));
   return &m_LineChars[index];
 }
 
-int32_t CFX_BreakLine::GetLineEnd() const {
+int32_t CFGAS_BreakLine::GetLineEnd() const {
   return m_iStart + m_iWidth;
 }
 
-void CFX_BreakLine::Clear() {
+void CFGAS_BreakLine::Clear() {
   m_LineChars.clear();
   m_LinePieces.clear();
   m_iWidth = 0;
   m_iArabicChars = 0;
 }
 
-void CFX_BreakLine::IncrementArabicCharCount() {
+void CFGAS_BreakLine::IncrementArabicCharCount() {
   ++m_iArabicChars;
 }
 
-void CFX_BreakLine::DecrementArabicCharCount() {
+void CFGAS_BreakLine::DecrementArabicCharCount() {
   DCHECK(m_iArabicChars > 0);
   --m_iArabicChars;
 }
diff --git a/xfa/fgas/layout/cfx_breakline.h b/xfa/fgas/layout/cfgas_breakline.h
similarity index 69%
rename from xfa/fgas/layout/cfx_breakline.h
rename to xfa/fgas/layout/cfgas_breakline.h
index 4b69322..e7d21c8 100644
--- a/xfa/fgas/layout/cfx_breakline.h
+++ b/xfa/fgas/layout/cfgas_breakline.h
@@ -4,18 +4,18 @@
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
-#ifndef XFA_FGAS_LAYOUT_CFX_BREAKLINE_H_
-#define XFA_FGAS_LAYOUT_CFX_BREAKLINE_H_
+#ifndef XFA_FGAS_LAYOUT_CFGAS_BREAKLINE_H_
+#define XFA_FGAS_LAYOUT_CFGAS_BREAKLINE_H_
 
 #include <vector>
 
+#include "xfa/fgas/layout/cfgas_breakpiece.h"
 #include "xfa/fgas/layout/cfgas_char.h"
-#include "xfa/fgas/layout/cfx_breakpiece.h"
 
-class CFX_BreakLine {
+class CFGAS_BreakLine {
  public:
-  CFX_BreakLine();
-  ~CFX_BreakLine();
+  CFGAS_BreakLine();
+  ~CFGAS_BreakLine();
 
   CFGAS_Char* GetChar(int32_t index);
   int32_t GetLineEnd() const;
@@ -27,7 +27,7 @@
   bool HasArabicChar() const { return m_iArabicChars > 0; }
 
   std::vector<CFGAS_Char> m_LineChars;
-  std::vector<CFX_BreakPiece> m_LinePieces;
+  std::vector<CFGAS_BreakPiece> m_LinePieces;
   int32_t m_iStart = 0;
   int32_t m_iWidth = 0;
 
@@ -35,4 +35,4 @@
   int32_t m_iArabicChars = 0;
 };
 
-#endif  // XFA_FGAS_LAYOUT_CFX_BREAKLINE_H_
+#endif  // XFA_FGAS_LAYOUT_CFGAS_BREAKLINE_H_
diff --git a/xfa/fgas/layout/cfx_breakpiece.cpp b/xfa/fgas/layout/cfgas_breakpiece.cpp
similarity index 67%
rename from xfa/fgas/layout/cfx_breakpiece.cpp
rename to xfa/fgas/layout/cfgas_breakpiece.cpp
index a74c2e5..b5917bc 100644
--- a/xfa/fgas/layout/cfx_breakpiece.cpp
+++ b/xfa/fgas/layout/cfgas_breakpiece.cpp
@@ -4,29 +4,29 @@
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
-#include "xfa/fgas/layout/cfx_breakpiece.h"
+#include "xfa/fgas/layout/cfgas_breakpiece.h"
 
 #include "third_party/base/check.h"
 #include "xfa/fgas/layout/cfx_textuserdata.h"
 
-CFX_BreakPiece::CFX_BreakPiece() = default;
+CFGAS_BreakPiece::CFGAS_BreakPiece() = default;
 
-CFX_BreakPiece::CFX_BreakPiece(const CFX_BreakPiece& other) = default;
+CFGAS_BreakPiece::CFGAS_BreakPiece(const CFGAS_BreakPiece& other) = default;
 
-CFX_BreakPiece::~CFX_BreakPiece() = default;
+CFGAS_BreakPiece::~CFGAS_BreakPiece() = default;
 
-int32_t CFX_BreakPiece::GetEndPos() const {
+int32_t CFGAS_BreakPiece::GetEndPos() const {
   return m_iWidth < 0 ? m_iStartPos : m_iStartPos + m_iWidth;
 }
 
-CFGAS_Char* CFX_BreakPiece::GetChar(int32_t index) const {
+CFGAS_Char* CFGAS_BreakPiece::GetChar(int32_t index) const {
   DCHECK(index >= 0);
   DCHECK(index < m_iCharCount);
   DCHECK(m_pChars);
   return &(*m_pChars)[m_iStartChar + index];
 }
 
-WideString CFX_BreakPiece::GetString() const {
+WideString CFGAS_BreakPiece::GetString() const {
   WideString ret;
   ret.Reserve(m_iCharCount);
   for (int32_t i = m_iStartChar; i < m_iStartChar + m_iCharCount; i++)
@@ -34,7 +34,7 @@
   return ret;
 }
 
-std::vector<int32_t> CFX_BreakPiece::GetWidths() const {
+std::vector<int32_t> CFGAS_BreakPiece::GetWidths() const {
   std::vector<int32_t> ret;
   ret.reserve(m_iCharCount);
   for (int32_t i = m_iStartChar; i < m_iStartChar + m_iCharCount; i++)
diff --git a/xfa/fgas/layout/cfx_breakpiece.h b/xfa/fgas/layout/cfgas_breakpiece.h
similarity index 81%
rename from xfa/fgas/layout/cfx_breakpiece.h
rename to xfa/fgas/layout/cfgas_breakpiece.h
index 6dabc46..fd88b1b 100644
--- a/xfa/fgas/layout/cfx_breakpiece.h
+++ b/xfa/fgas/layout/cfgas_breakpiece.h
@@ -4,8 +4,8 @@
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
-#ifndef XFA_FGAS_LAYOUT_CFX_BREAKPIECE_H_
-#define XFA_FGAS_LAYOUT_CFX_BREAKPIECE_H_
+#ifndef XFA_FGAS_LAYOUT_CFGAS_BREAKPIECE_H_
+#define XFA_FGAS_LAYOUT_CFGAS_BREAKPIECE_H_
 
 #include <vector>
 
@@ -16,11 +16,11 @@
 
 class CFX_TextUserData;
 
-class CFX_BreakPiece {
+class CFGAS_BreakPiece {
  public:
-  CFX_BreakPiece();
-  CFX_BreakPiece(const CFX_BreakPiece& other);
-  ~CFX_BreakPiece();
+  CFGAS_BreakPiece();
+  CFGAS_BreakPiece(const CFGAS_BreakPiece& other);
+  ~CFGAS_BreakPiece();
 
   int32_t GetEndPos() const;
   int32_t GetLength() const { return m_iCharCount; }
@@ -45,4 +45,4 @@
   RetainPtr<CFX_TextUserData> m_pUserData;
 };
 
-#endif  // XFA_FGAS_LAYOUT_CFX_BREAKPIECE_H_
+#endif  // XFA_FGAS_LAYOUT_CFGAS_BREAKPIECE_H_
diff --git a/xfa/fgas/layout/cfgas_rtfbreak.cpp b/xfa/fgas/layout/cfgas_rtfbreak.cpp
index 8a48ab4..f208a57 100644
--- a/xfa/fgas/layout/cfgas_rtfbreak.cpp
+++ b/xfa/fgas/layout/cfgas_rtfbreak.cpp
@@ -18,7 +18,7 @@
 #include "third_party/base/stl_util.h"
 #include "xfa/fgas/font/cfgas_gefont.h"
 #include "xfa/fgas/layout/cfgas_char.h"
-#include "xfa/fgas/layout/cfx_textpiece.h"
+#include "xfa/fgas/layout/cfgas_textpiece.h"
 #include "xfa/fgas/layout/cfx_textuserdata.h"
 #include "xfa/fgas/layout/fx_arabic.h"
 #include "xfa/fgas/layout/fx_linebreak.h"
@@ -329,7 +329,7 @@
     return dwStatus;
 
   m_iReadyLineIndex = m_pCurLine == &m_Lines[0] ? 0 : 1;
-  CFX_BreakLine* pNextLine = &m_Lines[1 - m_iReadyLineIndex];
+  CFGAS_BreakLine* pNextLine = &m_Lines[1 - m_iReadyLineIndex];
   bool bAllChars = m_iAlignment == CFX_RTFLineAlignment::Justified ||
                    m_iAlignment == CFX_RTFLineAlignment::Distributed;
 
@@ -347,7 +347,7 @@
   return dwStatus;
 }
 
-bool CFGAS_RTFBreak::EndBreak_SplitLine(CFX_BreakLine* pNextLine,
+bool CFGAS_RTFBreak::EndBreak_SplitLine(CFGAS_BreakLine* pNextLine,
                                         bool bAllChars,
                                         CFGAS_Char::BreakType dwStatus) {
   bool bDone = false;
@@ -375,7 +375,7 @@
   }
 
   const CFGAS_Char* pCurChars = m_pCurLine->m_LineChars.data();
-  CFX_BreakPiece tp;
+  CFGAS_BreakPiece tp;
   tp.m_pChars = &m_pCurLine->m_LineChars;
   bool bNew = true;
   uint32_t dwIdentity = static_cast<uint32_t>(-1);
@@ -441,7 +441,7 @@
     }
   }
 
-  CFX_BreakPiece tp;
+  CFGAS_BreakPiece tp;
   tp.m_dwStatus = CFGAS_Char::BreakType::kPiece;
   tp.m_iStartPos = m_pCurLine->m_iStart;
   tp.m_pChars = &chars;
@@ -501,7 +501,7 @@
   std::sort(tpos->begin(), tpos->end());
   int32_t iStartPos = m_pCurLine->m_iStart;
   for (const auto& it : *tpos) {
-    CFX_BreakPiece& ttp = m_pCurLine->m_LinePieces[it.index];
+    CFGAS_BreakPiece& ttp = m_pCurLine->m_LinePieces[it.index];
     ttp.m_iStartPos = iStartPos;
     iStartPos += ttp.m_iWidth;
   }
@@ -514,7 +514,7 @@
   int32_t iGapChars = 0;
   bool bFind = false;
   for (const FX_TPO& pos : pdfium::base::Reversed(tpos)) {
-    const CFX_BreakPiece& ttp = m_pCurLine->m_LinePieces[pos.index];
+    const CFGAS_BreakPiece& ttp = m_pCurLine->m_LinePieces[pos.index];
     if (!bFind)
       iNetWidth = ttp.GetEndPos();
 
@@ -552,7 +552,7 @@
                          dwStatus != CFGAS_Char::BreakType::kParagraph))) {
     int32_t iStart = -1;
     for (const auto& tpo : tpos) {
-      CFX_BreakPiece& ttp = m_pCurLine->m_LinePieces[tpo.index];
+      CFGAS_BreakPiece& ttp = m_pCurLine->m_LinePieces[tpo.index];
       if (iStart < 0)
         iStart = ttp.m_iStartPos;
       else
@@ -680,8 +680,8 @@
   return 0;
 }
 
-void CFGAS_RTFBreak::SplitTextLine(CFX_BreakLine* pCurLine,
-                                   CFX_BreakLine* pNextLine,
+void CFGAS_RTFBreak::SplitTextLine(CFGAS_BreakLine* pCurLine,
+                                   CFGAS_BreakLine* pNextLine,
                                    bool bAllChars) {
   DCHECK(pCurLine);
   DCHECK(pNextLine);
@@ -719,7 +719,7 @@
   }
 }
 
-size_t CFGAS_RTFBreak::GetDisplayPos(const CFX_TextPiece* pPiece,
+size_t CFGAS_RTFBreak::GetDisplayPos(const CFGAS_TextPiece* pPiece,
                                      std::vector<TextCharPos>* pCharPos) const {
   if (pPiece->iChars == 0 || !pPiece->pFont)
     return 0;
diff --git a/xfa/fgas/layout/cfgas_rtfbreak.h b/xfa/fgas/layout/cfgas_rtfbreak.h
index 685e167..be10d0c 100644
--- a/xfa/fgas/layout/cfgas_rtfbreak.h
+++ b/xfa/fgas/layout/cfgas_rtfbreak.h
@@ -15,8 +15,8 @@
 #include "core/fxcrt/retain_ptr.h"
 #include "xfa/fgas/layout/cfgas_break.h"
 
+class CFGAS_TextPiece;
 class CFX_TextUserData;
-class CFX_TextPiece;
 class TextCharPos;
 
 enum class CFX_RTFLineAlignment {
@@ -41,7 +41,7 @@
 
   CFGAS_Char::BreakType EndBreak(CFGAS_Char::BreakType dwStatus);
 
-  size_t GetDisplayPos(const CFX_TextPiece* pPiece,
+  size_t GetDisplayPos(const CFGAS_TextPiece* pPiece,
                        std::vector<TextCharPos>* pCharPos) const;
 
   CFGAS_Char::BreakType AppendChar(wchar_t wch);
@@ -58,10 +58,10 @@
                       bool bAllChars,
                       bool bOnlyBrk,
                       int32_t* pEndPos);
-  void SplitTextLine(CFX_BreakLine* pCurLine,
-                     CFX_BreakLine* pNextLine,
+  void SplitTextLine(CFGAS_BreakLine* pCurLine,
+                     CFGAS_BreakLine* pNextLine,
                      bool bAllChars);
-  bool EndBreak_SplitLine(CFX_BreakLine* pNextLine,
+  bool EndBreak_SplitLine(CFGAS_BreakLine* pNextLine,
                           bool bAllChars,
                           CFGAS_Char::BreakType dwStatus);
   void EndBreak_BidiLine(std::deque<FX_TPO>* tpos,
diff --git a/xfa/fgas/layout/cfx_textpiece.cpp b/xfa/fgas/layout/cfgas_textpiece.cpp
similarity index 67%
rename from xfa/fgas/layout/cfx_textpiece.cpp
rename to xfa/fgas/layout/cfgas_textpiece.cpp
index 06f6cd6..55f9992 100644
--- a/xfa/fgas/layout/cfx_textpiece.cpp
+++ b/xfa/fgas/layout/cfgas_textpiece.cpp
@@ -4,10 +4,10 @@
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
-#include "xfa/fgas/layout/cfx_textpiece.h"
+#include "xfa/fgas/layout/cfgas_textpiece.h"
 
 #include "xfa/fgas/font/cfgas_gefont.h"
 
-CFX_TextPiece::CFX_TextPiece() = default;
+CFGAS_TextPiece::CFGAS_TextPiece() = default;
 
-CFX_TextPiece::~CFX_TextPiece() = default;
+CFGAS_TextPiece::~CFGAS_TextPiece() = default;
diff --git a/xfa/fgas/layout/cfx_textpiece.h b/xfa/fgas/layout/cfgas_textpiece.h
similarity index 75%
rename from xfa/fgas/layout/cfx_textpiece.h
rename to xfa/fgas/layout/cfgas_textpiece.h
index 409d200..4eca7f7 100644
--- a/xfa/fgas/layout/cfx_textpiece.h
+++ b/xfa/fgas/layout/cfgas_textpiece.h
@@ -4,8 +4,8 @@
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
-#ifndef XFA_FGAS_LAYOUT_CFX_TEXTPIECE_H_
-#define XFA_FGAS_LAYOUT_CFX_TEXTPIECE_H_
+#ifndef XFA_FGAS_LAYOUT_CFGAS_TEXTPIECE_H_
+#define XFA_FGAS_LAYOUT_CFGAS_TEXTPIECE_H_
 
 #include <vector>
 
@@ -15,10 +15,10 @@
 
 class CFGAS_GEFont;
 
-class CFX_TextPiece {
+class CFGAS_TextPiece {
  public:
-  CFX_TextPiece();
-  ~CFX_TextPiece();
+  CFGAS_TextPiece();
+  ~CFGAS_TextPiece();
 
   WideString szText;
   std::vector<int32_t> Widths;
@@ -31,4 +31,4 @@
   RetainPtr<CFGAS_GEFont> pFont;
 };
 
-#endif  // XFA_FGAS_LAYOUT_CFX_TEXTPIECE_H_
+#endif  // XFA_FGAS_LAYOUT_CFGAS_TEXTPIECE_H_
diff --git a/xfa/fgas/layout/cfgas_txtbreak.cpp b/xfa/fgas/layout/cfgas_txtbreak.cpp
index db04859..5462784 100644
--- a/xfa/fgas/layout/cfgas_txtbreak.cpp
+++ b/xfa/fgas/layout/cfgas_txtbreak.cpp
@@ -287,7 +287,7 @@
   return std::max(dwRet1, dwRet2);
 }
 
-void CFGAS_TxtBreak::EndBreak_SplitLine(CFX_BreakLine* pNextLine,
+void CFGAS_TxtBreak::EndBreak_SplitLine(CFGAS_BreakLine* pNextLine,
                                         bool bAllChars) {
   bool bDone = false;
   CFGAS_Char* pTC;
@@ -312,7 +312,7 @@
 
 void CFGAS_TxtBreak::EndBreak_BidiLine(std::deque<FX_TPO>* tpos,
                                        CFGAS_Char::BreakType dwStatus) {
-  CFX_BreakPiece tp;
+  CFGAS_BreakPiece tp;
   FX_TPO tpo;
   CFGAS_Char* pTC;
   std::vector<CFGAS_Char>& chars = m_pCurLine->m_LineChars;
@@ -403,7 +403,7 @@
       int32_t iStartPos = 0;
       for (i = 0; i <= j; i++) {
         tpo = (*tpos)[i];
-        CFX_BreakPiece& ttp = m_pCurLine->m_LinePieces[tpo.index];
+        CFGAS_BreakPiece& ttp = m_pCurLine->m_LinePieces[tpo.index];
         ttp.m_iStartPos = iStartPos;
         iStartPos += ttp.m_iWidth;
       }
@@ -419,7 +419,7 @@
   int32_t iGapChars = 0;
   bool bFind = false;
   for (const FX_TPO& pos : pdfium::base::Reversed(tpos)) {
-    const CFX_BreakPiece& ttp = m_pCurLine->m_LinePieces[pos.index];
+    const CFGAS_BreakPiece& ttp = m_pCurLine->m_LinePieces[pos.index];
     if (!bFind)
       iNetWidth = ttp.GetEndPos();
 
@@ -452,7 +452,7 @@
       dwStatus != CFGAS_Char::BreakType::kParagraph) {
     int32_t iStart = -1;
     for (auto& tpo : tpos) {
-      CFX_BreakPiece& ttp = m_pCurLine->m_LinePieces[tpo.index];
+      CFGAS_BreakPiece& ttp = m_pCurLine->m_LinePieces[tpo.index];
       if (iStart < -1)
         iStart = ttp.m_iStartPos;
       else
@@ -511,7 +511,7 @@
     return dwStatus;
 
   m_iReadyLineIndex = m_pCurLine == &m_Lines[0] ? 0 : 1;
-  CFX_BreakLine* pNextLine = &m_Lines[1 - m_iReadyLineIndex];
+  CFGAS_BreakLine* pNextLine = &m_Lines[1 - m_iReadyLineIndex];
   bool bAllChars = m_iAlignment > CFX_TxtLineAlignment_Right;
   EndBreak_SplitLine(pNextLine, bAllChars);
 
@@ -612,8 +612,8 @@
   return 0;
 }
 
-void CFGAS_TxtBreak::SplitTextLine(CFX_BreakLine* pCurLine,
-                                   CFX_BreakLine* pNextLine,
+void CFGAS_TxtBreak::SplitTextLine(CFGAS_BreakLine* pCurLine,
+                                   CFGAS_BreakLine* pNextLine,
                                    bool bAllChars) {
   DCHECK(pCurLine);
   DCHECK(pNextLine);
diff --git a/xfa/fgas/layout/cfgas_txtbreak.h b/xfa/fgas/layout/cfgas_txtbreak.h
index 1d410d6..d6fd1a7 100644
--- a/xfa/fgas/layout/cfgas_txtbreak.h
+++ b/xfa/fgas/layout/cfgas_txtbreak.h
@@ -83,7 +83,7 @@
   CFGAS_Char::BreakType AppendChar_Others(CFGAS_Char* pCurChar);
 
   void ResetContextCharStyles();
-  void EndBreak_SplitLine(CFX_BreakLine* pNextLine, bool bAllChars);
+  void EndBreak_SplitLine(CFGAS_BreakLine* pNextLine, bool bAllChars);
   void EndBreak_BidiLine(std::deque<FX_TPO>* tpos,
                          CFGAS_Char::BreakType dwStatus);
   void EndBreak_Alignment(const std::deque<FX_TPO>& tpos,
@@ -93,8 +93,8 @@
                       bool bAllChars,
                       bool bOnlyBrk,
                       int32_t* pEndPos);
-  void SplitTextLine(CFX_BreakLine* pCurLine,
-                     CFX_BreakLine* pNextLine,
+  void SplitTextLine(CFGAS_BreakLine* pCurLine,
+                     CFGAS_BreakLine* pNextLine,
                      bool bAllChars);
 
   int32_t m_iAlignment;
diff --git a/xfa/fxfa/cxfa_textlayout.cpp b/xfa/fxfa/cxfa_textlayout.cpp
index d60a780..e4c3f52 100644
--- a/xfa/fxfa/cxfa_textlayout.cpp
+++ b/xfa/fxfa/cxfa_textlayout.cpp
@@ -1027,7 +1027,7 @@
     float fLineStep = 0, fBaseLine = 0;
     int32_t i = 0;
     for (i = 0; i < iPieces; i++) {
-      const CFX_BreakPiece* pPiece = m_pBreak->GetBreakPieceUnstable(i);
+      const CFGAS_BreakPiece* pPiece = m_pBreak->GetBreakPieceUnstable(i);
       CFX_TextUserData* pUserData = pPiece->m_pUserData.Get();
       if (pUserData)
         pStyle = pUserData->m_pStyle;
@@ -1082,7 +1082,7 @@
     float fLineStep = 0;
     float fLineWidth = 0;
     for (int32_t i = 0; i < iPieces; i++) {
-      const CFX_BreakPiece* pPiece = m_pBreak->GetBreakPieceUnstable(i);
+      const CFGAS_BreakPiece* pPiece = m_pBreak->GetBreakPieceUnstable(i);
       CFX_TextUserData* pUserData = pPiece->m_pUserData.Get();
       if (pUserData)
         pStyle = pUserData->m_pStyle;
diff --git a/xfa/fxfa/cxfa_textlayout.h b/xfa/fxfa/cxfa_textlayout.h
index 58c8caa..0682a21 100644
--- a/xfa/fxfa/cxfa_textlayout.h
+++ b/xfa/fxfa/cxfa_textlayout.h
@@ -21,7 +21,7 @@
 #include "v8/include/cppgc/member.h"
 #include "v8/include/cppgc/visitor.h"
 #include "xfa/fgas/layout/cfgas_char.h"
-#include "xfa/fgas/layout/cfx_textpiece.h"
+#include "xfa/fgas/layout/cfgas_textpiece.h"
 #include "xfa/fxfa/fxfa_basic.h"
 
 class CFX_CSSComputedStyle;
@@ -65,7 +65,7 @@
   const wchar_t* GetLinkURLAtPoint(const CFX_PointF& point);
 
  private:
-  class TextPiece : public CFX_TextPiece {
+  class TextPiece : public CFGAS_TextPiece {
    public:
     TextPiece();
     ~TextPiece();