Move ScopedSetInsertion to third_party/base/stl_util.h

core/include/fpdfapi/fpdf_parser.h

 // 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
 
 #ifndef CORE_INCLUDE_FPDFAPI_FPDF_PARSER_H_
 #define CORE_INCLUDE_FPDFAPI_FPDF_PARSER_H_
 
 #include <map>
@@ skipping 24 matching lines @@
 #define FPDFPERM_PRINT 0x0004
 #define FPDFPERM_MODIFY 0x0008
 #define FPDFPERM_EXTRACT 0x0010
 #define FPDFPERM_ANNOT_FORM 0x0020
 #define FPDFPERM_FILL_FORM 0x0100
 #define FPDFPERM_EXTRACT_ACCESS 0x0200
 #define FPDFPERM_ASSEMBLE 0x0400
 #define FPDFPERM_PRINT_HIGH 0x0800
 #define FPDF_PAGE_MAX_NUM 0xFFFFF
 
-// TODO(thestig) Using unique_ptr with ReleaseDeleter is still not ideal.
-// Come up or wait for something better.
-using ScopedFileStream =
-    std::unique_ptr<IFX_FileStream, ReleaseDeleter<IFX_FileStream>>;
-
-template <typename T>
-class ScopedSetInsertion {
- public:
-  ScopedSetInsertion(std::set<T>* org_set, T elem)
-      : m_Set(org_set), m_Entry(elem) {
-    m_Set->insert(m_Entry);
-  }
-  ~ScopedSetInsertion() { m_Set->erase(m_Entry); }
-
- private:
-  std::set<T>* const m_Set;
-  const T m_Entry;
-};
-
 // Indexed by 8-bit char code, contains unicode code points.
 extern const FX_WORD PDFDocEncoding[256];
 
 class CPDF_CryptoHandler {
  public:
   virtual ~CPDF_CryptoHandler() {}
 
   virtual FX_BOOL Init(CPDF_Dictionary* pEncryptDict,
                        IPDF_SecurityHandler* pSecurityHandler) = 0;
 
@@ skipping 255 matching lines @@
                        FX_DWORD src_size,
                        const CPDF_Dictionary* pDict,
                        uint8_t*& dest_buf,
                        FX_DWORD& dest_size,
                        CFX_ByteString& ImageEncoding,
                        CPDF_Dictionary*& pImageParms,
                        FX_DWORD estimated_size,
                        FX_BOOL bImageAcc);
 
 #endif  // CORE_INCLUDE_FPDFAPI_FPDF_PARSER_H_