More IFX_ interface cleanup.

xfa/fgas/font/fgas_stdfontmgr.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 "xfa/fgas/font/fgas_stdfontmgr.h"
 
 #include "core/fxcrt/include/fx_stream.h"
 #include "xfa/fgas/crt/fgas_codepage.h"
@@ skipping 537 matching lines @@
   }
   return (FX_POSITION)-1;
 }
 
 IFX_FileAccess* CFX_FontSourceEnum_File::GetNext(FX_POSITION& pos) {
   IFX_FileAccess* pAccess = FX_CreateDefaultFileAccess(m_wsNext.AsStringC());
   m_wsNext = GetNextFile().UTF8Decode();
   pos = 0 != m_wsNext.GetLength() ? pAccess : NULL;
   return (IFX_FileAccess*)pAccess;
 }
-IFX_FontSourceEnum* FX_CreateDefaultFontSourceEnum() {
-  return (IFX_FontSourceEnum*)new CFX_FontSourceEnum_File;
+
+IFX_FontMgr* IFX_FontMgr::Create(CFX_FontSourceEnum_File* pFontEnum) {
+  if (!pFontEnum)
+    return nullptr;
+
+  CFX_FontMgrImp* pFontMgr = new CFX_FontMgrImp(pFontEnum);
+  if (pFontMgr->EnumFonts())
+    return pFontMgr;
+
+  delete pFontMgr;
+  return nullptr;
 }
-IFX_FontMgr* IFX_FontMgr::Create(IFX_FontSourceEnum* pFontEnum) {
-  if (NULL == pFontEnum) {
-    return NULL;
-  }
-  CFX_FontMgrImp* pFontMgr = new CFX_FontMgrImp(pFontEnum);
-  if (pFontMgr->EnumFonts()) {
-    return pFontMgr;
-  }
-  delete pFontMgr;
-  return NULL;
-}
-CFX_FontMgrImp::CFX_FontMgrImp(IFX_FontSourceEnum* pFontEnum)
+CFX_FontMgrImp::CFX_FontMgrImp(CFX_FontSourceEnum_File* pFontEnum)
     : m_pFontSource(pFontEnum) {}
 
 FX_BOOL CFX_FontMgrImp::EnumFontsFromFontMapper() {
   CFX_FontMapper* pFontMapper =
       CFX_GEModule::Get()->GetFontMgr()->GetBuiltinMapper();
   if (!pFontMapper)
     return FALSE;
 
   IFX_SystemFontInfo* pSystemFontInfo = pFontMapper->GetSystemFontInfo();
   if (!pSystemFontInfo)
@@ skipping 919 matching lines @@
   }
 }
 int32_t CFX_FontMgrImp::IsPartName(const CFX_WideString& Name1,
                                    const CFX_WideString& Name2) {
   if (Name1.Find(Name2.c_str()) != -1) {
     return 1;
   }
   return 0;
 }
 #endif