Fix a bunch of spelling mistakes :\

src/property.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 306 matching lines @@
 
   // Tells whether we have reached the end of the steam.
   bool eos() { return pos_ >= limit_; }
 
   int next_position() { return pos_ + 1; }
   void advance() { pos_ = next_position(); }
 
  protected:
   DescriptorArray* descriptors_;
   int pos_;   // Current position.
-  int limit_;  // Limit for posistion.
+  int limit_;  // Limit for position.
 };
 
 
 class DescriptorReader: public DescriptorStream {
  public:
   explicit DescriptorReader(DescriptorArray* descriptors, int pos = 0)
       : DescriptorStream(descriptors, pos) {}
 
   String* GetKey() { return descriptors_->GetKey(pos_); }
   Object* GetValue() { return descriptors_->GetValue(pos_); }
@@ skipping 45 matching lines @@
 
   // Append a descriptor to this stream.
   void Write(Descriptor* desc);
   // Read a descriptor from the reader and append it to this stream.
   void WriteFrom(DescriptorReader* reader);
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_PROPERTY_H_