Keep two empty lines between declarations for cpp files

src/objects-printer.cc

 // Copyright 2012 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 742 matching lines @@
   WriteToFlat(this, reinterpret_cast<uint8_t*>(buffer), 0, length());
   buffer[length()] = 0;
   return buffer;
 }
 
 
 static const char* const weekdays[] = {
   "???", "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"
 };
 
+
 void JSDate::JSDatePrint(FILE* out) {
   HeapObject::PrintHeader(out, "JSDate");
   PrintF(out, " - map = 0x%p\n", reinterpret_cast<void*>(map()));
   PrintF(out, " - value = ");
   value()->Print(out);
   if (!year()->IsSmi()) {
     PrintF(out, " - time = NaN\n");
   } else {
     PrintF(out, " - time = %s %04d/%02d/%02d %02d:%02d:%02d\n",
            weekdays[weekday()->IsSmi() ? Smi::cast(weekday())->value() + 1 : 0],
@@ skipping 467 matching lines @@
     }
   }
   PrintF(out, "\n");
 }
 
 
 #endif  // OBJECT_PRINT
 
 
 } }  // namespace v8::internal