Reduce signed/unsigned comparison warnings

fpdfsdk/pdfwindow/PWL_FontMap.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 "fpdfsdk/pdfwindow/PWL_FontMap.h"
 
 #include "core/fpdfapi/fpdf_font/include/cpdf_font.h"
 #include "core/fpdfapi/fpdf_font/include/cpdf_fontencoding.h"
@@ skipping 159 matching lines @@
 
     m_aNativeFont.RemoveAll();
   }
 }
 
 void CPWL_FontMap::Initialize() {
   GetFontIndex(kDefaultFontName, ANSI_CHARSET, FALSE);
 }
 
 FX_BOOL CPWL_FontMap::IsStandardFont(const CFX_ByteString& sFontName) {
-  for (int32_t i = 0; i < FX_ArraySize(g_sDEStandardFontName); ++i) {
+  for (size_t i = 0; i < FX_ArraySize(g_sDEStandardFontName); ++i) {

[Tom Sepez, 2016/03/25 22:31:41]

good.  this one is a size_t for sure.

[Wei Li, 2016/03/26 01:04:10]

Acknowledged.

     if (sFontName == g_sDEStandardFontName[i])
       return TRUE;
   }
 
   return FALSE;
 }
 
 int32_t CPWL_FontMap::FindFont(const CFX_ByteString& sFontName,
                                int32_t nCharset) {
   for (int32_t i = 0, sz = m_aData.GetSize(); i < sz; i++) {
@@ skipping 301 matching lines @@
 
 CPWL_DocFontMap::CPWL_DocFontMap(IFX_SystemHandler* pSystemHandler,
                                  CPDF_Document* pAttachedDoc)
     : CPWL_FontMap(pSystemHandler), m_pAttachedDoc(pAttachedDoc) {}
 
 CPWL_DocFontMap::~CPWL_DocFontMap() {}
 
 CPDF_Document* CPWL_DocFontMap::GetDocument() {
   return m_pAttachedDoc;
 }