Make code compile with clang_use_chrome_plugin (final)

xfa/fgas/layout/fgas_textbreak.cpp

 // Copyright 2014 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
 #include "xfa/fgas/layout/fgas_textbreak.h"
 
 #include <algorithm>
 
@@ skipping 1644 matching lines @@
         rtBBoxF.height = fHeight;
         rtBBoxF.top = std::max(rtBBoxF.top, 0.0f);
       }
       rtArray.SetAt(i, rtBBoxF);
       continue;
     }
     rtArray.SetAt(i, rect);
   }
   return iLength;
 }
+
+FX_TXTRUN::FX_TXTRUN()
+    : pAccess(nullptr),
+      pIdentity(nullptr),
+      pWidths(nullptr),
+      iLength(0),
+      pFont(nullptr),
+      fFontSize(12),
+      dwStyles(0),
+      iHorizontalScale(100),
+      iVerticalScale(100),
+      iCharRotation(0),
+      dwCharStyles(0),
+      pRect(nullptr),
+      wLineBreakChar(L'\n'),
+      bSkipSpace(TRUE) {}
+
+FX_TXTRUN::~FX_TXTRUN() {}
+
+FX_TXTRUN::FX_TXTRUN(const FX_TXTRUN& other) = default;
+
+CFX_TxtPiece::CFX_TxtPiece()
+    : m_dwStatus(FX_TXTBREAK_PieceBreak),
+      m_iStartPos(0),
+      m_iWidth(-1),
+      m_iStartChar(0),
+      m_iChars(0),
+      m_iBidiLevel(0),
+      m_iBidiPos(0),
+      m_iHorizontalScale(100),
+      m_iVerticalScale(100),
+      m_dwCharStyles(0),
+      m_pChars(NULL),
+      m_pUserData(NULL) {}
+
+CFX_TxtLine::CFX_TxtLine(int32_t iBlockSize)
+    : m_iStart(0), m_iWidth(0), m_iArabicChars(0) {
+  m_pLineChars = new CFX_TxtCharArray;
+  m_pLinePieces = new CFX_TxtPieceArray(16);
+}
+
+CFX_TxtLine::~CFX_TxtLine() {
+  RemoveAll();
+  delete m_pLineChars;
+  delete m_pLinePieces;
+}