Truncate rather than round to nearest when performing float-to-integer...

src/string-stream.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 125 matching lines @@
            FmtElm arg1,
            FmtElm arg2,
            FmtElm arg3);
 
   // Getting the message out.
   void OutputToFile(FILE* out);
   void OutputToStdOut() { OutputToFile(stdout); }
   void Log();
   Handle<String> ToString();
   SmartPointer<const char> ToCString() const;
+  Handle<String> ToSymbol();
   int length() const { return length_; }
 
   // Object printing support.
   void PrintName(Object* o);
   void PrintFixedArray(FixedArray* array, unsigned int limit);
   void PrintByteArray(ByteArray* ba);
   void PrintUsingMap(JSObject* js_object);
   void PrintPrototype(JSFunction* fun, Object* receiver);
   void PrintSecurityTokenIfChanged(Object* function);
   // NOTE: Returns the code in the output parameter.
@@ skipping 26 matching lines @@
   bool full() const { return (capacity_ - length_) == 1; }
   int space() const { return capacity_ - length_; }
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(StringStream);
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_STRING_STREAM_H_