Remove many _CAPS structure names.

core/src/fxcrt/fx_extension.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 "core/include/fxcrt/fx_basic.h"
 #include "core/include/fxcrt/fx_ext.h"
 #include "core/src/fxcrt/extension.h"
 
@@ skipping 241 matching lines @@
     }
   } else {
     while (pStr < pStrEnd) {
       dwHashCode = 1313 * dwHashCode + *pStr++;
     }
   }
   return dwHashCode;
 }
 
 void* FX_Random_MT_Start(FX_DWORD dwSeed) {
-  FX_LPMTRANDOMCONTEXT pContext = FX_Alloc(FX_MTRANDOMCONTEXT, 1);
+  FX_MTRANDOMCONTEXT* pContext = FX_Alloc(FX_MTRANDOMCONTEXT, 1);
   pContext->mt[0] = dwSeed;
   FX_DWORD& i = pContext->mti;
   FX_DWORD* pBuf = pContext->mt;
   for (i = 1; i < MT_N; i++) {
     pBuf[i] = (1812433253UL * (pBuf[i - 1] ^ (pBuf[i - 1] >> 30)) + i);
   }
   pContext->bHaveSeed = TRUE;
   return pContext;
 }
 FX_DWORD FX_Random_MT_Generate(void* pContext) {
   FXSYS_assert(pContext);
-  FX_LPMTRANDOMCONTEXT pMTC = (FX_LPMTRANDOMCONTEXT)pContext;
+  FX_MTRANDOMCONTEXT* pMTC = static_cast<FX_MTRANDOMCONTEXT*>(pContext);
   FX_DWORD v;
   static FX_DWORD mag[2] = {0, MT_Matrix_A};
   FX_DWORD& mti = pMTC->mti;
   FX_DWORD* pBuf = pMTC->mt;
   if ((int)mti < 0 || mti >= MT_N) {
     if (mti > MT_N && !pMTC->bHaveSeed) {
       return 0;
     }
     FX_DWORD kk;
     for (kk = 0; kk < MT_N - MT_M; kk++) {
@@ skipping 102 matching lines @@
     b = ((const uint8_t*)pGUID)[i];
     *pBuf++ = gs_FX_pHexChars[b >> 4];
     *pBuf++ = gs_FX_pHexChars[b & 0x0F];
     if (bSeparator && (i == 3 || i == 5 || i == 7 || i == 9)) {
       *pBuf++ = L'-';
     }
   }
   bsStr.ReleaseBuffer(bSeparator ? 36 : 32);
 }
 #endif  // PDF_ENABLE_XFA