Tidy cfgas_fontmgr, remove custom sorting code.

core/fxcrt/fx_ext.h

 // 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
 
 #ifndef CORE_FXCRT_FX_EXT_H_
 #define CORE_FXCRT_FX_EXT_H_
 
 #include <cctype>
@@ skipping 81 matching lines @@
   uint16_t data3;
   uint8_t data4[8];
 } FX_GUID, *FX_LPGUID;
 typedef FX_GUID const* FX_LPCGUID;
 void FX_GUID_CreateV4(FX_LPGUID pGUID);
 void FX_GUID_ToString(FX_LPCGUID pGUID,
                       CFX_ByteString& bsStr,
                       bool bSeparator = true);
 #endif  // PDF_ENABLE_XFA
 
-template <class baseType>
-class CFX_SSortTemplate {
- public:
-  void ShellSort(baseType* pArray, int32_t iCount) {
-    ASSERT(pArray && iCount > 0);
-    int32_t i, j, gap;
-    baseType v1, v2;
-    gap = iCount >> 1;
-    while (gap > 0) {
-      for (i = gap; i < iCount; i++) {
-        j = i - gap;
-        v1 = pArray[i];
-        while (j > -1 && (v2 = pArray[j]) > v1) {
-          pArray[j + gap] = v2;
-          j -= gap;
-        }
-        pArray[j + gap] = v1;
-      }
-      gap >>= 1;
-    }
-  }
-};
-
 #endif  // CORE_FXCRT_FX_EXT_H_