Remove unused CFDE_TxtEdtEngine::SetBufChunkSize().

In turn, CFDE_TxtEdtBuf::SetChunkSize becomes unused.

Review-Url: https://codereview.chromium.org/2042743003

xfa/fde/cfde_txtedtbuf.cpp

diff --git a/xfa/fde/cfde_txtedtbuf.cpp b/xfa/fde/cfde_txtedtbuf.cpp
index 2f747a3..81b586f 100644
--- a/xfa/fde/cfde_txtedtbuf.cpp
+++ b/xfa/fde/cfde_txtedtbuf.cpp
@@ -30,12 +30,6 @@
   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;
 }

xfa/fde/cfde_txtedtbuf.h

diff --git a/xfa/fde/cfde_txtedtbuf.h b/xfa/fde/cfde_txtedtbuf.h
index 1d8e48e..e871ed9 100644
--- a/xfa/fde/cfde_txtedtbuf.h
+++ b/xfa/fde/cfde_txtedtbuf.h
@@ -18,7 +18,6 @@
   CFDE_TxtEdtBuf();
   ~CFDE_TxtEdtBuf();
 
-  FX_BOOL SetChunkSize(int32_t nChunkSize);
   int32_t GetChunkSize() const;
   int32_t GetTextLength() const;
   void SetText(const CFX_WideString& wsText);

xfa/fde/cfde_txtedtengine.cpp

diff --git a/xfa/fde/cfde_txtedtengine.cpp b/xfa/fde/cfde_txtedtengine.cpp
index 4bdf8df..4a9aaa6 100644
--- a/xfa/fde/cfde_txtedtengine.cpp
+++ b/xfa/fde/cfde_txtedtengine.cpp
@@ -83,10 +83,6 @@
   return (IFDE_TxtEdtPage*)m_PagePtrArray[nIndex];
 }
 
-FX_BOOL CFDE_TxtEdtEngine::SetBufChunkSize(int32_t nChunkSize) {
-  return m_pTxtBuf->SetChunkSize(nChunkSize);
-}
-
 void CFDE_TxtEdtEngine::SetTextByStream(IFX_Stream* pStream) {
   ResetEngine();
   int32_t nIndex = 0;

xfa/fde/cfde_txtedtengine.h

diff --git a/xfa/fde/cfde_txtedtengine.h b/xfa/fde/cfde_txtedtengine.h
index 15d0f0c..1ce1ce3 100644
--- a/xfa/fde/cfde_txtedtengine.h
+++ b/xfa/fde/cfde_txtedtengine.h
@@ -26,7 +26,6 @@
   int32_t CountPages() const;
   IFDE_TxtEdtPage* GetPage(int32_t nIndex);
 
-  FX_BOOL SetBufChunkSize(int32_t nChunkSize);
   void SetTextByStream(IFX_Stream* pStream);
   void SetText(const CFX_WideString& wsText);
   int32_t GetTextLength() const;