Keep two empty lines between declarations for cpp files

src/dateparser.cc

 // Copyright 2011 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 94 matching lines @@
   if (!IsHour(hour) || !IsMinute(minute) ||
       !IsSecond(second) || !IsMillisecond(millisecond)) return false;
 
   output->set(HOUR, Smi::FromInt(hour));
   output->set(MINUTE, Smi::FromInt(minute));
   output->set(SECOND, Smi::FromInt(second));
   output->set(MILLISECOND, Smi::FromInt(millisecond));
   return true;
 }
 
+
 bool DateParser::TimeZoneComposer::Write(FixedArray* output) {
   if (sign_ != kNone) {
     if (hour_ == kNone) hour_ = 0;
     if (minute_ == kNone) minute_ = 0;
     int total_seconds = sign_ * (hour_ * 3600 + minute_ * 60);
     if (!Smi::IsValid(total_seconds)) return false;
     output->set(UTC_OFFSET, Smi::FromInt(total_seconds));
   } else {
     output->set_null(UTC_OFFSET);
   }
@@ skipping 78 matching lines @@
       factor *= 10;
       length--;
     } while (length > 3);
     number /= factor;
   }
   return number;
 }
 
 
 } }  // namespace v8::internal