Fix a bunch of spelling mistakes :\

src/utils.h

 // 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 403 matching lines @@
 template <typename T>
 inline Vector< Handle<Object> > HandleVector(v8::internal::Handle<T>* elms,
                                              int length) {
   return Vector< Handle<Object> >(
       reinterpret_cast<v8::internal::Handle<Object>*>(elms), length);
 }
 
 
 // Simple support to read a file into a 0-terminated C-string.
 // The returned buffer must be freed by the caller.
-// On return, *exits tells whether the file exisited.
+// On return, *exits tells whether the file existed.
 Vector<const char> ReadFile(const char* filename,
                             bool* exists,
                             bool verbose = true);
 
 
 // Simple wrapper that allows an ExternalString to refer to a
 // Vector<const char>. Doesn't assume ownership of the data.
 class AsciiStringAdapter: public v8::String::ExternalAsciiStringResource {
  public:
   explicit AsciiStringAdapter(Vector<const char> data) : data_(data) {}
@@ skipping 137 matching lines @@
   ptr[2] = value >> 8;
   ptr[1] = value >> 16;
   ptr[0] = value >> 24;
 #endif
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_UTILS_H_