Fix a few more warnings in chromium_code mode.

core/src/fpdfapi/fpdf_page/fpdf_page.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 "../../../include/fpdfapi/fpdf_page.h"
 #include "../../../include/fpdfapi/fpdf_module.h"
 #include "pageint.h"
 void CPDF_PageObject::Release()
@@ skipping 295 matching lines @@
         int index = 0;
         for (int i = 0; i < nChars; i ++) {
             m_pCharCodes[index++] = pCharCodes[i];
             if (pKernings[i] != 0 && i != nChars - 1) {
                 m_pCharCodes[index] = (FX_DWORD) - 1;
                 m_pCharPos[index - 1] = pKernings[i];
                 index ++;
             }
         }
     } else {
-        int offset = 0;
         m_pCharCodes = (FX_DWORD*)(FX_UINTPTR)pCharCodes[0];
     }
     RecalcPositionData();
 }
 FX_FLOAT CPDF_TextObject::GetCharWidth(FX_DWORD charcode) const
 {
     FX_FLOAT fontsize = m_TextState.GetFontSize() / 1000;
     CPDF_Font* pFont = m_TextState.GetFont();
     FX_BOOL bVertWriting = FALSE;
     CPDF_CIDFont* pCIDFont = pFont->GetCIDFont();
@@ skipping 20 matching lines @@
     if (pCIDFont) {
         bVertWriting = pCIDFont->IsVertWriting();
     }
     FX_RECT fontRect;
     pFont->GetFontBBox(fontRect);
     fontSize *= bVertWriting ? (FX_FLOAT)fontRect.Height() : (FX_FLOAT)fontRect.Width();
     return fontSize;
 }
 void CPDF_TextObject::GetCharRect(int index, CFX_FloatRect& rect) const
 {
-    FX_FLOAT curpos = 0;
     CPDF_Font* pFont = m_TextState.GetFont();
     FX_BOOL bVertWriting = FALSE;
     CPDF_CIDFont* pCIDFont = pFont->GetCIDFont();
     if (pCIDFont) {
         bVertWriting = pCIDFont->IsVertWriting();
     }
     FX_FLOAT fontsize = m_TextState.GetFontSize() / 1000;
     int count = 0;
     for (int i = 0; i < m_nChars; i ++) {
         FX_DWORD charcode = m_nChars == 1 ? (FX_DWORD)(FX_UINTPTR)m_pCharCodes : m_pCharCodes[i];
@@ skipping 151 matching lines @@
     if (textmode == 1 || textmode == 2 || textmode == 5 || textmode == 6) {
         FX_FLOAT half_width = m_GraphState.GetObject()->m_LineWidth / 2;
         m_Left -= half_width;
         m_Right += half_width;
         m_Top += half_width;
         m_Bottom -= half_width;
     }
 }
 void CPDF_TextObject::CalcCharPos(FX_FLOAT* pPosArray) const
 {
-    FX_FLOAT curpos = 0;
-    int count = 0;
     CPDF_Font* pFont = m_TextState.GetFont();
     FX_BOOL bVertWriting = FALSE;
     CPDF_CIDFont* pCIDFont = pFont->GetCIDFont();
     if (pCIDFont) {
         bVertWriting = pCIDFont->IsVertWriting();
     }
     FX_FLOAT fontsize = m_TextState.GetFontSize();
     int index = 0;
     for (int i = 0; i < m_nChars; i ++) {
         FX_DWORD charcode = m_nChars == 1 ? (FX_DWORD)(FX_UINTPTR)m_pCharCodes : m_pCharCodes[i];
@@ skipping 498 matching lines @@
     matrix = m_PageMatrix;
     matrix.Concat(display_matrix);
 }
 CPDF_ParseOptions::CPDF_ParseOptions()
 {
     m_bTextOnly = FALSE;
     m_bMarkedContent = TRUE;
     m_bSeparateForm = TRUE;
     m_bDecodeInlineImage = FALSE;
 }