Fix lint errors.

src/arguments.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 45 matching lines @@
   template <class S> Handle<S> at(int index) {
     Object** value = &((*this)[index]);
     // This cast checks that the object we're accessing does indeed have the
     // expected type.
     S::cast(*value);
     return Handle<S>(reinterpret_cast<S**>(value));
   }
 
   // Get the total number of arguments including the receiver.
   int length() const { return length_; }
-  
+
   Object** arguments() { return arguments_; }
 
  private:
   int length_;
   Object** arguments_;
 };
 
 
 // Cursom arguments replicate a small segment of stack that can be
 // accessed through an Arguments object the same way the actual stack
 // can.
 class CustomArguments : public Relocatable {
-public:
+ public:
   inline CustomArguments(Object *data,
                          JSObject *self,
                          JSObject *holder) {
     values_[3] = self;
     values_[2] = holder;
     values_[1] = Smi::FromInt(0);
     values_[0] = data;
   }
   void IterateInstance(ObjectVisitor* v);
   Object** end() { return values_ + 3; }
-private:
+ private:
   Object* values_[4];
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_ARGUMENTS_H_