bring pdfium file in sync with chrome, fix mac build

core/fxge/ge/fx_ge_text.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 <limits>
 #include <vector>
 
 #include "core/fxcodec/include/fx_codec.h"
@@ skipping 833 matching lines @@
                       dest_width, anti_alias, pFont->GetSubstFont()->m_Weight,
                       pFont->GetSubstFont()->m_ItalicAngle, pFont->IsVertical(),
                       3);
     else
       keygen.Generate(7, (int)(pMatrix->a * 10000), (int)(pMatrix->b * 10000),
                       (int)(pMatrix->c * 10000), (int)(pMatrix->d * 10000),
                       dest_width, anti_alias, 3);
   }
 #endif
   CFX_ByteString FaceGlyphsKey(keygen.m_Key, keygen.m_KeyLen);
-#if _FXM_PLATFORM_ != _FXM_PLATFORM_APPLE_
+#if _FXM_PLATFORM_ != _FXM_PLATFORM_APPLE_ || defined _SKIA_SUPPORT_
   return LookUpGlyphBitmap(pFont, pMatrix, FaceGlyphsKey, glyph_index,
                            bFontStyle, dest_width, anti_alias);
 #else
   if (text_flags & FXTEXT_NO_NATIVETEXT) {
     return LookUpGlyphBitmap(pFont, pMatrix, FaceGlyphsKey, glyph_index,
                              bFontStyle, dest_width, anti_alias);
   }
   CFX_GlyphBitmap* pGlyphBitmap;
   auto it = m_SizeMap.find(FaceGlyphsKey);
   if (it != m_SizeMap.end()) {
@@ skipping 537 matching lines @@
 void _CFX_UniqueKeyGen::Generate(int count, ...) {
   va_list argList;
   va_start(argList, count);
   for (int i = 0; i < count; i++) {
     int p = va_arg(argList, int);
     ((uint32_t*)m_Key)[i] = p;
   }
   va_end(argList);
   m_KeyLen = count * sizeof(uint32_t);
 }