Remove unused CFDE_TxtEdtEngine::SetBufChunkSize().

xfa/fde/cfde_txtedtbuf.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/fde/cfde_txtedtbuf.h"
 
 #include "xfa/fgas/crt/fgas_memory.h"
 
@@ skipping 12 matching lines @@
   ASSERT(m_nChunkSize);
   ResetChunkBuffer(kDefaultChunkCount, m_nChunkSize);
 }
 
 CFDE_TxtEdtBuf::~CFDE_TxtEdtBuf() {
   Clear(TRUE);
   delete m_pAllocator;
   m_Chunks.RemoveAll();
 }
 
-FX_BOOL CFDE_TxtEdtBuf::SetChunkSize(int32_t nChunkSize) {
-  ASSERT(nChunkSize);
-  ResetChunkBuffer(kDefaultChunkCount, nChunkSize);
-  return TRUE;
-}
-
 int32_t CFDE_TxtEdtBuf::GetChunkSize() const {
   return m_nChunkSize;
 }
 
 int32_t CFDE_TxtEdtBuf::GetTextLength() const {
   return m_nTotal;
 }
 
 void CFDE_TxtEdtBuf::SetText(const CFX_WideString& wsText) {
   ASSERT(!wsText.IsEmpty());
@@ skipping 266 matching lines @@
   int32_t nCount = m_Chunks.GetSize();
   for (; i < nCount; i++) {
     nTotal += m_Chunks[i]->nUsed;
     if (nTotal > nIndex) {
       break;
     }
   }
   cp.nChunkIndex = i;
   cp.nCharIndex = m_Chunks[i]->nUsed - (nTotal - nIndex);
 }