Remove unused CFX_CharIter class

The CFX_CharIter class was only used in a single Attach call of
CFX_WordBreak which is never called. Removed.

Change-Id: I8262cbb25d341b976ab85095250357fecba48fbc
Reviewed-on: https://pdfium-review.googlesource.com/13091
Reviewed-by: Ryan Harrison <rharrison@chromium.org>
Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>

1 files changed, 0 insertions, 54 deletions

diff --git a/core/fxcrt/cfx_chariter.cpp b/core/fxcrt/cfx_chariter.cpp
deleted file mode 100644
index 827e86967d..0000000000
--- a/core/fxcrt/cfx_chariter.cpp
+++ /dev/null
@@ -1,54 +0,0 @@
-// Copyright 2016 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/fxcrt/cfx_chariter.h"
-
-#include "third_party/base/ptr_util.h"
-
-CFX_CharIter::CFX_CharIter(const CFX_WideString& wsText)
-    : m_wsText(wsText), m_nIndex(0) {
-  ASSERT(!wsText.IsEmpty());
-}
-
-CFX_CharIter::~CFX_CharIter() {}
-
-bool CFX_CharIter::Next(bool bPrev) {
-  if (bPrev) {
-    if (m_nIndex <= 0)
-      return false;
-    m_nIndex--;
-  } else {
-    if (static_cast<FX_STRSIZE>(m_nIndex + 1) >= m_wsText.GetLength())
-      return false;
-    m_nIndex++;
-  }
-  return true;
-}
-
-wchar_t CFX_CharIter::GetChar() const {
-  return m_wsText[m_nIndex];
-}
-
-void CFX_CharIter::SetAt(int32_t nIndex) {
-  if (nIndex < 0 || static_cast<FX_STRSIZE>(nIndex) >= m_wsText.GetLength())
-    return;
-  m_nIndex = nIndex;
-}
-
-int32_t CFX_CharIter::GetAt() const {
-  return m_nIndex;
-}
-
-bool CFX_CharIter::IsEOF(bool bTail) const {
-  return bTail ? (static_cast<FX_STRSIZE>(m_nIndex + 1) == m_wsText.GetLength())
-               : (m_nIndex == 0);
-}
-
-std::unique_ptr<IFX_CharIter> CFX_CharIter::Clone() const {
-  auto pIter = pdfium::MakeUnique<CFX_CharIter>(m_wsText);
-  pIter->m_nIndex = m_nIndex;
-  return pIter;
-}