Initialize CFDE_TextOut members in the header.

Change-Id: I5213d353bc16930b33e54eae9ebd8a7d29f9f452
Reviewed-on: https://pdfium-review.googlesource.com/c/47337
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>

xfa/fde/cfde_textout.cpp

diff --git a/xfa/fde/cfde_textout.cpp b/xfa/fde/cfde_textout.cpp
index 18048e5..f7ccafd 100644
--- a/xfa/fde/cfde_textout.cpp
+++ b/xfa/fde/cfde_textout.cpp
@@ -122,21 +122,9 @@
 FDE_TTOPIECE::~FDE_TTOPIECE() = default;
 
 CFDE_TextOut::CFDE_TextOut()
-    : m_pTxtBreak(pdfium::MakeUnique<CFX_TxtBreak>()),
-      m_pFont(nullptr),
-      m_fFontSize(12.0f),
-      m_fLineSpace(m_fFontSize),
-      m_fLinePos(0.0f),
-      m_fTolerance(0.0f),
-      m_iAlignment(FDE_TextAlignment::kTopLeft),
-      m_TxtColor(0xFF000000),
-      m_dwTxtBkStyles(0),
-      m_ttoLines(5),
-      m_iCurLine(0),
-      m_iCurPiece(0),
-      m_iTotalLines(0) {}
+    : m_pTxtBreak(pdfium::MakeUnique<CFX_TxtBreak>()), m_ttoLines(5) {}
 
-CFDE_TextOut::~CFDE_TextOut() {}
+CFDE_TextOut::~CFDE_TextOut() = default;
 
 void CFDE_TextOut::SetFont(const RetainPtr<CFGAS_GEFont>& pFont) {
   ASSERT(pFont);

xfa/fde/cfde_textout.h

diff --git a/xfa/fde/cfde_textout.h b/xfa/fde/cfde_textout.h
index 039c682..d20d33b 100644
--- a/xfa/fde/cfde_textout.h
+++ b/xfa/fde/cfde_textout.h
@@ -97,23 +97,23 @@
   void DoAlignment(const CFX_RectF& rect);
   size_t GetDisplayPos(FDE_TTOPIECE* pPiece);
 
-  std::unique_ptr<CFX_TxtBreak> m_pTxtBreak;
+  std::unique_ptr<CFX_TxtBreak> const m_pTxtBreak;
   RetainPtr<CFGAS_GEFont> m_pFont;
-  float m_fFontSize;
-  float m_fLineSpace;
-  float m_fLinePos;
-  float m_fTolerance;
-  FDE_TextAlignment m_iAlignment;
+  float m_fFontSize = 12.0f;
+  float m_fLineSpace = 12.0f;
+  float m_fLinePos = 0.0f;
+  float m_fTolerance = 0.0f;
+  FDE_TextAlignment m_iAlignment = FDE_TextAlignment::kTopLeft;
   FDE_TextStyle m_Styles;
   std::vector<int32_t> m_CharWidths;
-  FX_ARGB m_TxtColor;
-  uint32_t m_dwTxtBkStyles;
+  FX_ARGB m_TxtColor = 0xFF000000;
+  uint32_t m_dwTxtBkStyles = 0;
   WideString m_wsText;
   CFX_Matrix m_Matrix;
   std::deque<CFDE_TTOLine> m_ttoLines;
-  int32_t m_iCurLine;
-  int32_t m_iCurPiece;
-  int32_t m_iTotalLines;
+  int32_t m_iCurLine = 0;
+  int32_t m_iCurPiece = 0;
+  int32_t m_iTotalLines = 0;
   std::vector<FXTEXT_CHARPOS> m_CharPos;
 };