Turn some usages of NewArray with DeleteArray in the same scope into ScopedVector or SmartPointer.

src/flags.cc

 // Copyright 2006-2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 452 matching lines @@
 
 static char* SkipBlackSpace(char* p) {
   while (*p != '\0' && isspace(*p) == 0) p++;
   return p;
 }
 
 
 // static
 int FlagList::SetFlagsFromString(const char* str, int len) {
   // make a 0-terminated copy of str
-  char* copy0 = NewArray<char>(len + 1);
-  memcpy(copy0, str, len);
+  ScopedVector<char> copy0(len + 1);
+  memcpy(copy0.start(), str, len);
   copy0[len] = '\0';
 
   // strip leading white space
-  char* copy = SkipWhiteSpace(copy0);
+  char* copy = SkipWhiteSpace(copy0.start());
 
   // count the number of 'arguments'
   int argc = 1;  // be compatible with SetFlagsFromCommandLine()
   for (char* p = copy; *p != '\0'; argc++) {
     p = SkipBlackSpace(p);
     p = SkipWhiteSpace(p);
   }
 
   // allocate argument array
-  char** argv = NewArray<char*>(argc);
+  ScopedVector<char*> argv(argc);
 
   // split the flags string into arguments
   argc = 1;  // be compatible with SetFlagsFromCommandLine()
   for (char* p = copy; *p != '\0'; argc++) {
     argv[argc] = p;
     p = SkipBlackSpace(p);
     if (*p != '\0') *p++ = '\0';  // 0-terminate argument
     p = SkipWhiteSpace(p);
   }
 
   // set the flags
-  int result = SetFlagsFromCommandLine(&argc, argv, false);
-
-  // cleanup
-  DeleteArray(argv);
-  DeleteArray(copy0);
+  int result = SetFlagsFromCommandLine(&argc, argv.start(), false);
 
   return result;
 }
 
 
 // static
 void FlagList::ResetAllFlags() {
   for (size_t i = 0; i < num_flags; ++i) {
     flags[i].Reset();
   }
@@ skipping 31 matching lines @@
 const char** JSArguments::argv() { return argv_; }
 const char*& JSArguments::operator[](int idx) { return argv_[idx]; }
 JSArguments& JSArguments::operator=(JSArguments args) {
     argc_ = args.argc_;
     argv_ = args.argv_;
     return *this;
 }
 
 
 } }  // namespace v8::internal