Get rid of most instance of 'foo != NULL'

core/src/fpdfapi/fpdf_font/fpdf_font.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 "font_int.h"
 
 #include "core/src/fpdfapi/fpdf_page/pageint.h"
 #include "core/include/fpdfapi/fpdf_module.h"
@@ skipping 1501 matching lines @@
           if (!maccode) {
             m_GlyphIndex[charcode] =
                 FXFT_Get_Name_Index(m_Font.GetFace(), (char*)name);
           } else {
             m_GlyphIndex[charcode] =
                 FXFT_Get_Char_Index(m_Font.GetFace(), maccode);
           }
         }
       }
       if ((m_GlyphIndex[charcode] == 0 || m_GlyphIndex[charcode] == 0xffff) &&
-          name != NULL) {
+          name) {
         if (name[0] == '.' && FXSYS_strcmp(name, ".notdef") == 0) {
           m_GlyphIndex[charcode] = FXFT_Get_Char_Index(m_Font.GetFace(), 32);
         } else {
           m_GlyphIndex[charcode] =
               FXFT_Get_Name_Index(m_Font.GetFace(), (char*)name);
           if (m_GlyphIndex[charcode] == 0) {
             if (bToUnicode) {
               CFX_WideString wsUnicode = UnicodeFromCharCode(charcode);
               if (!wsUnicode.IsEmpty()) {
                 m_GlyphIndex[charcode] =
@@ skipping 229 matching lines @@
   rect = pChar->m_BBox;
 }
 
 CPDF_Type3Char::CPDF_Type3Char(CPDF_Form* pForm)
     : m_pForm(pForm), m_pBitmap(nullptr), m_bColored(FALSE) {}
 
 CPDF_Type3Char::~CPDF_Type3Char() {
   delete m_pForm;
   delete m_pBitmap;
 }