Review and cleanup lint warnings.

core/include/fpdfapi/fpdf_objects.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 CORE_INCLUDE_FPDFAPI_FPDF_OBJECTS_H_
 #define CORE_INCLUDE_FPDFAPI_FPDF_OBJECTS_H_
 
 #include <map>
@@ skipping 319 matching lines @@
   CFX_Matrix GetMatrixBy(const CFX_ByteStringC& key) const;
   FX_FLOAT GetFloatBy(const CFX_ByteStringC& key) const {
     return GetNumberBy(key);
   }
 
   FX_BOOL KeyExist(const CFX_ByteStringC& key) const;
 
   // Set* functions invalidate iterators for the element with the key |key|.
   void SetAt(const CFX_ByteStringC& key, CPDF_Object* pObj);
   void SetAtName(const CFX_ByteStringC& key, const CFX_ByteString& name);
-  void SetAtString(const CFX_ByteStringC& key, const CFX_ByteString& string);
+  void SetAtString(const CFX_ByteStringC& key, const CFX_ByteString& str);
   void SetAtInteger(const CFX_ByteStringC& key, int i);
   void SetAtNumber(const CFX_ByteStringC& key, FX_FLOAT f);
   void SetAtReference(const CFX_ByteStringC& key,
                       CPDF_IndirectObjectHolder* pDoc,
                       FX_DWORD objnum);
   void SetAtReference(const CFX_ByteStringC& key,
                       CPDF_IndirectObjectHolder* pDoc,
                       CPDF_Object* obj) {
     SetAtReference(key, pDoc, obj->GetObjNum());
   }
@@ skipping 192 matching lines @@
   iterator end() { return m_IndirectObjs.end(); }
   const_iterator end() const { return m_IndirectObjs.end(); }
 
  protected:
   CPDF_Parser* m_pParser;
   FX_DWORD m_LastObjNum;
   std::map<FX_DWORD, CPDF_Object*> m_IndirectObjs;
 };
 
 #endif  // CORE_INCLUDE_FPDFAPI_FPDF_OBJECTS_H_