Fix all the code which has duplicate variable declarations

core/fpdftext/fpdf_text_int.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 <algorithm>
 #include <cctype>
 #include <cwctype>
 #include <memory>
@@ skipping 970 matching lines @@
   if (FXSYS_fabs(this_y - prev_y) > threshold * 2) {
     for (int i = 0; i < count; i++) {
       ProcessTextObject(m_LineObj.GetAt(i));
     }
     m_LineObj.RemoveAll();
     m_LineObj.Add(Obj);
     return;
   }
   int i = 0;
   for (i = count - 1; i >= 0; i--) {
-    PDFTEXT_Obj prev_Obj = m_LineObj.GetAt(i);
-    CFX_Matrix prev_matrix;
-    prev_Obj.m_pTextObj->GetTextMatrix(&prev_matrix);
-    FX_FLOAT Prev_x = prev_Obj.m_pTextObj->GetPosX(),
-             Prev_y = prev_Obj.m_pTextObj->GetPosY();
-    prev_Obj.m_formMatrix.Transform(Prev_x, Prev_y);
+    PDFTEXT_Obj prev_text_obj = m_LineObj.GetAt(i);
+    FX_FLOAT Prev_x = prev_text_obj.m_pTextObj->GetPosX(),
+             Prev_y = prev_text_obj.m_pTextObj->GetPosY();
+    prev_text_obj.m_formMatrix.Transform(Prev_x, Prev_y);
     m_DisplayMatrix.Transform(Prev_x, Prev_y);
     if (this_x >= Prev_x) {
-      if (i == count - 1) {
+      if (i == count - 1)
         m_LineObj.Add(Obj);
-      } else {
+      else
         m_LineObj.InsertAt(i + 1, Obj);
-      }
       break;
     }
   }
   if (i < 0) {
     m_LineObj.InsertAt(0, Obj);
   }
 }
 
 FPDFText_MarkedContent CPDF_TextPage::PreMarkedContent(PDFTEXT_Obj Obj) {
   CPDF_TextObject* pTextObj = Obj.m_pTextObj;
@@ skipping 590 matching lines @@
         m_pPreTextObj->GetTextMatrix(&m);
         if (PrevItem.m_OriginX > tempItem.m_OriginX &&
             m_DisplayMatrix.a > 0.9 && m_DisplayMatrix.b < 0.1 &&
             m_DisplayMatrix.c < 0.1 && m_DisplayMatrix.d < -0.9 && m.b < 0.1 &&
             m.c < 0.1) {
           CFX_FloatRect re(0, m_pPreTextObj->m_Bottom, 1000,
                            m_pPreTextObj->m_Top);
           if (re.Contains(pObj->GetPosX(), pObj->GetPosY())) {
             bNewline = FALSE;
           } else {
-            CFX_FloatRect re(0, pObj->m_Bottom, 1000, pObj->m_Top);
-            if (re.Contains(m_pPreTextObj->GetPosX(),
-                            m_pPreTextObj->GetPosY())) {
+            CFX_FloatRect rect(0, pObj->m_Bottom, 1000, pObj->m_Top);
+            if (rect.Contains(m_pPreTextObj->GetPosX(),
+                              m_pPreTextObj->GetPosY())) {
               bNewline = FALSE;
             }
           }
         }
       }
     }
   }
   if (bNewline)
     return IsHyphen(curChar) ? 3 : 2;
 
@@ skipping 714 matching lines @@
   return index < m_LinkArray.size() ? m_LinkArray[index].m_strUrl : L"";
 }
 
 std::vector<CFX_FloatRect> CPDF_LinkExtract::GetRects(size_t index) const {
   if (index >= m_LinkArray.size())
     return std::vector<CFX_FloatRect>();
 
   return m_pTextPage->GetRectArray(m_LinkArray[index].m_Start,
                                    m_LinkArray[index].m_Count);
 }