Initialize CBC_OneDimWriter members in the header.

Rearrange them as well.

Change-Id: I8653004cd06a4054e32d0148adc1400029ceb34e
Reviewed-on: https://pdfium-review.googlesource.com/42459
Reviewed-by: Ryan Harrison <rharrison@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>
diff --git a/fxbarcode/oned/BC_OneDimWriter.cpp b/fxbarcode/oned/BC_OneDimWriter.cpp
index 03be25f..c76817d 100644
--- a/fxbarcode/oned/BC_OneDimWriter.cpp
+++ b/fxbarcode/oned/BC_OneDimWriter.cpp
@@ -35,21 +35,9 @@
 #include "fxbarcode/BC_Writer.h"
 #include "third_party/base/ptr_util.h"
 
-CBC_OneDimWriter::CBC_OneDimWriter() {
-  m_locTextLoc = BC_TEXT_LOC_BELOWEMBED;
-  m_bPrintChecksum = true;
-  m_iDataLenth = 0;
-  m_bCalcChecksum = false;
-  m_pFont = nullptr;
-  m_fFontSize = 10;
-  m_iFontStyle = 0;
-  m_fontColor = 0xff000000;
-  m_iContentLen = 0;
-  m_bLeftPadding = false;
-  m_bRightPadding = false;
-}
+CBC_OneDimWriter::CBC_OneDimWriter() = default;
 
-CBC_OneDimWriter::~CBC_OneDimWriter() {}
+CBC_OneDimWriter::~CBC_OneDimWriter() = default;
 
 void CBC_OneDimWriter::SetPrintChecksum(bool checksum) {
   m_bPrintChecksum = checksum;
diff --git a/fxbarcode/oned/BC_OneDimWriter.h b/fxbarcode/oned/BC_OneDimWriter.h
index a597d86..e25ee58 100644
--- a/fxbarcode/oned/BC_OneDimWriter.h
+++ b/fxbarcode/oned/BC_OneDimWriter.h
@@ -83,17 +83,20 @@
   wchar_t Upper(wchar_t ch);
   void RenderVerticalBars(int32_t outputX, int32_t width, int32_t height);
 
-  bool m_bPrintChecksum;
-  int32_t m_iDataLenth;
-  bool m_bCalcChecksum;
+  bool m_bPrintChecksum = true;
+  bool m_bCalcChecksum = false;
+  bool m_bLeftPadding = false;
+  bool m_bRightPadding = false;
+
   UnownedPtr<CFX_Font> m_pFont;
-  float m_fFontSize;
-  int32_t m_iFontStyle;
-  uint32_t m_fontColor;
-  BC_TEXT_LOC m_locTextLoc;
-  size_t m_iContentLen;
-  bool m_bLeftPadding;
-  bool m_bRightPadding;
+  float m_fFontSize = 10.0f;
+  int32_t m_iFontStyle = 0;
+  uint32_t m_fontColor = 0xff000000;
+  BC_TEXT_LOC m_locTextLoc = BC_TEXT_LOC_BELOWEMBED;
+
+  int32_t m_iDataLenth = 0;
+  size_t m_iContentLen = 0;
+
   std::vector<CFX_PathData> m_output;
   int32_t m_barWidth;
   int32_t m_multiple;