Remove some unused code in fxcrt strings.

Unused static method in StringDataTemplate<>.
Unused WideString::GetFloat(), which in turn allows us to remove
another custom string to float parser.

Change-Id: If7ae60a0ba90563598232bad229f97cb74d682ba
Reviewed-on: https://pdfium-review.googlesource.com/c/43513
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Tom Sepez <tsepez@chromium.org>

3 files changed, 0 insertions, 45 deletions

diff --git a/core/fxcrt/string_data_template.h b/core/fxcrt/string_data_template.h
index bc797c07e2..f65d37c3ef 100644
--- a/core/fxcrt/string_data_template.h
+++ b/core/fxcrt/string_data_template.h
@@ -41,12 +41,6 @@ class StringDataTemplate {
     return new (pData) StringDataTemplate(nLen, usableLen);
   }
 
-  static StringDataTemplate* Create(const StringDataTemplate& other) {
-    StringDataTemplate* result = Create(other.m_nDataLength);
-    result->CopyContents(other);
-    return result;
-  }
-
   static StringDataTemplate* Create(const CharType* pStr, size_t nLen) {
     StringDataTemplate* result = Create(nLen);
     result->CopyContents(pStr, nLen);
diff --git a/core/fxcrt/widestring.cpp b/core/fxcrt/widestring.cpp
index e3c08d72e1..146de3af0c 100644
--- a/core/fxcrt/widestring.cpp
+++ b/core/fxcrt/widestring.cpp
@@ -1024,48 +1024,10 @@ void WideString::TrimRight(const WideStringView& targets) {
   }
 }
 
-float FX_wtof(const wchar_t* str, int len) {
-  if (len == 0) {
-    return 0.0;
-  }
-  int cc = 0;
-  bool bNegative = false;
-  if (str[0] == '+') {
-    cc++;
-  } else if (str[0] == '-') {
-    bNegative = true;
-    cc++;
-  }
-  int integer = 0;
-  while (cc < len) {
-    if (str[cc] == '.') {
-      break;
-    }
-    integer = integer * 10 + FXSYS_DecimalCharToInt(str[cc]);
-    cc++;
-  }
-  float fraction = 0;
-  if (str[cc] == '.') {
-    cc++;
-    float scale = 0.1f;
-    while (cc < len) {
-      fraction += scale * FXSYS_DecimalCharToInt(str[cc]);
-      scale *= 0.1f;
-      cc++;
-    }
-  }
-  fraction += static_cast<float>(integer);
-  return bNegative ? -fraction : fraction;
-}
-
 int WideString::GetInteger() const {
   return m_pData ? FXSYS_wtoi(m_pData->m_String) : 0;
 }
 
-float WideString::GetFloat() const {
-  return m_pData ? FX_wtof(m_pData->m_String, m_pData->m_nDataLength) : 0.0f;
-}
-
 std::wostream& operator<<(std::wostream& os, const WideString& str) {
   return os.write(str.c_str(), str.GetLength());
 }
diff --git a/core/fxcrt/widestring.h b/core/fxcrt/widestring.h
index c51c74506b..799eb98686 100644
--- a/core/fxcrt/widestring.h
+++ b/core/fxcrt/widestring.h
@@ -176,7 +176,6 @@ class WideString {
   void ReleaseBuffer(size_t len);
 
   int GetInteger() const;
-  float GetFloat() const;
 
   Optional<size_t> Find(const WideStringView& pSub, size_t start = 0) const;
   Optional<size_t> Find(wchar_t ch, size_t start = 0) const;