Use more UnowendPtr<> in cfgas_formatstring.h and cfx_break.h

Move initializers to .h file (proves none missing).

Change-Id: Iff8fe76e46634aa32a32ecd592476594a9d1bafa
Reviewed-on: https://pdfium-review.googlesource.com/36950
Reviewed-by: dsinclair <dsinclair@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>

4 files changed, 26 insertions, 41 deletions

diff --git a/xfa/fgas/layout/cfx_break.cpp b/xfa/fgas/layout/cfx_break.cpp
index 889c043ec2..43ef9a3833 100644
--- a/xfa/fgas/layout/cfx_break.cpp
+++ b/xfa/fgas/layout/cfx_break.cpp
@@ -19,29 +19,11 @@ const int kMinimumTabWidth = 160000;
 }  // namespace
 
 CFX_Break::CFX_Break(uint32_t dwLayoutStyles)
-    : m_eCharType(FX_CHARTYPE_Unknown),
-      m_bSingleLine(false),
-      m_bCombText(false),
-      m_dwIdentity(0),
-      m_dwLayoutStyles(dwLayoutStyles),
-      m_iLineStart(0),
-      m_iLineWidth(2000000),
-      m_wParagraphBreakChar(L'\n'),
-      m_iFontSize(240),
-      m_iTabWidth(720000),
-      m_iHorizontalScale(100),
-      m_iVerticalScale(100),
-      m_iTolerance(0),
-      m_iCharSpace(0),
-      m_iDefChar(0),
-      m_wDefChar(0xFEFF),
-      m_pFont(nullptr),
-      m_pCurLine(nullptr),
-      m_iReadyLineIndex(-1) {
+    : m_dwLayoutStyles(dwLayoutStyles) {
   m_pCurLine = &m_Line[0];
 }
 
-CFX_Break::~CFX_Break() {}
+CFX_Break::~CFX_Break() = default;
 
 void CFX_Break::Reset() {
   m_eCharType = FX_CHARTYPE_Unknown;
diff --git a/xfa/fgas/layout/cfx_break.h b/xfa/fgas/layout/cfx_break.h
index cc985b7c59..88cef53df1 100644
--- a/xfa/fgas/layout/cfx_break.h
+++ b/xfa/fgas/layout/cfx_break.h
@@ -10,6 +10,7 @@
 #include <stdint.h>
 
 #include "core/fxcrt/retain_ptr.h"
+#include "core/fxcrt/unowned_ptr.h"
 #include "xfa/fgas/layout/cfx_breakline.h"
 
 class CFGAS_GEFont;
@@ -57,7 +58,9 @@ class CFX_Break {
   void ClearBreakPieces();
 
   CFX_Char* GetLastChar(int32_t index, bool bOmitChar, bool bRichText) const;
-  const CFX_BreakLine* GetCurrentLineForTesting() const { return m_pCurLine; }
+  const CFX_BreakLine* GetCurrentLineForTesting() const {
+    return m_pCurLine.Get();
+  }
 
  protected:
   explicit CFX_Break(uint32_t dwLayoutStyles);
@@ -66,25 +69,25 @@ class CFX_Break {
   bool HasLine() const { return m_iReadyLineIndex >= 0; }
   FX_CHARTYPE GetUnifiedCharType(FX_CHARTYPE dwType) const;
 
-  FX_CHARTYPE m_eCharType;
-  bool m_bSingleLine;
-  bool m_bCombText;
-  uint32_t m_dwIdentity;
-  uint32_t m_dwLayoutStyles;
-  int32_t m_iLineStart;
-  int32_t m_iLineWidth;
-  wchar_t m_wParagraphBreakChar;
-  int32_t m_iFontSize;
-  int32_t m_iTabWidth;
-  int32_t m_iHorizontalScale;
-  int32_t m_iVerticalScale;
-  int32_t m_iTolerance;
-  int32_t m_iCharSpace;
-  int32_t m_iDefChar;
-  wchar_t m_wDefChar;
+  FX_CHARTYPE m_eCharType = FX_CHARTYPE_Unknown;
+  bool m_bSingleLine = false;
+  bool m_bCombText = false;
+  uint32_t m_dwIdentity = 0;
+  uint32_t m_dwLayoutStyles = 0;
+  int32_t m_iLineStart = 0;
+  int32_t m_iLineWidth = 2000000;
+  wchar_t m_wParagraphBreakChar = L'\n';
+  int32_t m_iFontSize = 240;
+  int32_t m_iTabWidth = 720000;
+  int32_t m_iHorizontalScale = 100;
+  int32_t m_iVerticalScale = 100;
+  int32_t m_iTolerance = 0;
+  int32_t m_iCharSpace = 0;
+  int32_t m_iDefChar = 0;
+  wchar_t m_wDefChar = 0xFEFF;
   RetainPtr<CFGAS_GEFont> m_pFont;
-  CFX_BreakLine* m_pCurLine;
-  int8_t m_iReadyLineIndex;
+  UnownedPtr<CFX_BreakLine> m_pCurLine;
+  int8_t m_iReadyLineIndex = -1;
   CFX_BreakLine m_Line[2];
 
  private:
diff --git a/xfa/fgas/layout/cfx_rtfbreak.cpp b/xfa/fgas/layout/cfx_rtfbreak.cpp
index de8703fb2d..4dfe8989d1 100644
--- a/xfa/fgas/layout/cfx_rtfbreak.cpp
+++ b/xfa/fgas/layout/cfx_rtfbreak.cpp
@@ -355,7 +355,7 @@ bool CFX_RTFBreak::EndBreak_SplitLine(CFX_BreakLine* pNextLine,
       case FX_CHARTYPE_Space:
         break;
       default:
-        SplitTextLine(m_pCurLine, pNextLine, !m_bPagination && bAllChars);
+        SplitTextLine(m_pCurLine.Get(), pNextLine, !m_bPagination && bAllChars);
         bDone = true;
         break;
     }
diff --git a/xfa/fgas/layout/cfx_txtbreak.cpp b/xfa/fgas/layout/cfx_txtbreak.cpp
index 7633c4c91e..490426a221 100644
--- a/xfa/fgas/layout/cfx_txtbreak.cpp
+++ b/xfa/fgas/layout/cfx_txtbreak.cpp
@@ -293,7 +293,7 @@ bool CFX_TxtBreak::EndBreak_SplitLine(CFX_BreakLine* pNextLine,
       case FX_CHARTYPE_Space:
         break;
       default:
-        SplitTextLine(m_pCurLine, pNextLine, bAllChars);
+        SplitTextLine(m_pCurLine.Get(), pNextLine, bAllChars);
         bDone = true;
         break;
     }