Remove some unneeded reinterpret_casts

base/string16.cc

 // Copyright (c) 2009 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/string16.h"
 
 #if defined(WCHAR_T_IS_UTF16)
 
 #error This file should not be used on 2-byte wchar_t systems
 // If this winds up being needed on 2-byte wchar_t systems, either the
@@ skipping 33 matching lines @@
   while (n-- > 0) {
     if (*s == c) {
       return s;
     }
     ++s;
   }
   return 0;
 }
 
 char16* c16memmove(char16* s1, const char16* s2, size_t n) {
-  return reinterpret_cast<char16*>(memmove(s1, s2, n * sizeof(char16)));
+  return static_cast<char16*>(memmove(s1, s2, n * sizeof(char16)));
 }
 
 char16* c16memcpy(char16* s1, const char16* s2, size_t n) {
-  return reinterpret_cast<char16*>(memcpy(s1, s2, n * sizeof(char16)));
+  return static_cast<char16*>(memcpy(s1, s2, n * sizeof(char16)));
 }
 
 char16* c16memset(char16* s, char16 c, size_t n) {
   char16 *s_orig = s;
   while (n-- > 0) {
     *s = c;
     ++s;
   }
   return s_orig;
 }
 
 }  // namespace base
 
 template class std::basic_string<char16, base::string16_char_traits>;
 
 namespace base {
 std::ostream& operator<<(std::ostream& out, const string16& str) {
   return out << UTF16ToUTF8(str);
 }
 }
 
 #endif  // WCHAR_T_IS_UTF32