Remove unused CJS_Value::Attach() variant

fpdfsdk/javascript/JS_Value.h

 // 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
 
 #ifndef FPDFSDK_JAVASCRIPT_JS_VALUE_H_
 #define FPDFSDK_JAVASCRIPT_JS_VALUE_H_
 
 #include <vector>
@@ skipping 13 matching lines @@
     VT_unknown,
     VT_string,
     VT_number,
     VT_boolean,
     VT_date,
     VT_object,
     VT_null,
     VT_undefined
   };
 
-  CJS_Value(CJS_Runtime* pRuntime);
+  explicit CJS_Value(CJS_Runtime* pRuntime);
   CJS_Value(CJS_Runtime* pRuntime, v8::Local<v8::Value> pValue);
   CJS_Value(CJS_Runtime* pRuntime, const int& iValue);
   CJS_Value(CJS_Runtime* pRuntime, const double& dValue);
   CJS_Value(CJS_Runtime* pRuntime, const float& fValue);
   CJS_Value(CJS_Runtime* pRuntime, const bool& bValue);
   CJS_Value(CJS_Runtime* pRuntime, CJS_Object* pObj);
   CJS_Value(CJS_Runtime* pRuntime, const FX_CHAR* pStr);
   CJS_Value(CJS_Runtime* pRuntime, const FX_WCHAR* pWstr);
   CJS_Value(CJS_Runtime* pRuntime, CJS_Array& array);
+  CJS_Value(const CJS_Value& other);
 
   ~CJS_Value();
-  CJS_Value(const CJS_Value& other);
 
   void SetNull();
   void Attach(v8::Local<v8::Value> pValue);
-  void Attach(CJS_Value* pValue);
   void Detach();
 
   static Type GetValueType(v8::Local<v8::Value> value);
   Type GetType() const { return GetValueType(m_pValue); }
   int ToInt() const;
   bool ToBool() const;
   double ToDouble() const;
   float ToFloat() const;
   CJS_Object* ToCJSObject() const;
   CFX_WideString ToCFXWideString() const;
@@ skipping 157 matching lines @@
 // names as wchar_t string literals corresponding to each positional argument.
 // The result will always contain |nKeywords| value, with unspecified ones
 // being set to type VT_unknown.
 std::vector<CJS_Value> JS_ExpandKeywordParams(
     CJS_Runtime* pRuntime,
     const std::vector<CJS_Value>& originals,
     size_t nKeywords,
     ...);
 
 #endif  // FPDFSDK_JAVASCRIPT_JS_VALUE_H_