Remove dependency on Vector from platform files

src/utils.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_UTILS_H_
 #define V8_UTILS_H_
 
 #include <limits.h>
 #include <stdlib.h>
 #include <string.h>
@@ skipping 1146 matching lines @@
 #define FPRINTF_METHOD_CHECKING
 #endif
 
 // Our version of printf().
 void PRINTF_CHECKING PrintF(const char* format, ...);
 void FPRINTF_CHECKING PrintF(FILE* out, const char* format, ...);
 
 // Prepends the current process ID to the output.
 void PRINTF_CHECKING PrintPID(const char* format, ...);
 
+// Safe formatting print. Ensures that str is always null-terminated.
+// Returns the number of chars written, or -1 if output was truncated.
+int FPRINTF_CHECKING SNPrintF(Vector<char> str, const char* format, ...);
+int VSNPrintF(Vector<char> str, const char* format, va_list args);
+
+void StrNCpy(Vector<char> dest, const char* src, size_t n);
+
 // Our version of fflush.
 void Flush(FILE* out);
 
 inline void Flush() {
   Flush(stdout);
 }
 
 
 // Read a line of characters after printing the prompt to stdout. The resulting
 // char* needs to be disposed off with DeleteArray by the caller.
@@ skipping 421 matching lines @@
   }
 
   *index = result;
   return true;
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_UTILS_H_