Keep two empty lines between declarations for cpp files

src/extensions/i18n/locale.cc

 // Copyright 2013 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 64 matching lines @@
   uloc_toLanguageTag(icu_result, result, ULOC_FULLNAME_CAPACITY, TRUE, &error);
 
   if (U_FAILURE(error)) {
     args.GetReturnValue().Set(v8::String::New(kInvalidTag));
     return;
   }
 
   args.GetReturnValue().Set(v8::String::New(result));
 }
 
+
 void JSAvailableLocalesOf(const v8::FunctionCallbackInfo<v8::Value>& args) {
   // Expect service name which is a string.
   if (args.Length() != 1 || !args[0]->IsString()) {
     v8::ThrowException(v8::Exception::SyntaxError(
         v8::String::New("Service identifier, as a string, is required.")));
     return;
   }
 
   const icu::Locale* available_locales = NULL;
 
@@ skipping 29 matching lines @@
     locales->Set(v8::String::New(result), v8::Integer::New(i));
     if (try_catch.HasCaught()) {
       // Ignore error, but stop processing and return.
       break;
     }
   }
 
   args.GetReturnValue().Set(locales);
 }
 
+
 void JSGetDefaultICULocale(const v8::FunctionCallbackInfo<v8::Value>& args) {
   icu::Locale default_locale;
 
   // Set the locale
   char result[ULOC_FULLNAME_CAPACITY];
   UErrorCode status = U_ZERO_ERROR;
   uloc_toLanguageTag(
       default_locale.getName(), result, ULOC_FULLNAME_CAPACITY, FALSE, &status);
   if (U_SUCCESS(status)) {
     args.GetReturnValue().Set(v8::String::New(result));
     return;
   }
 
   args.GetReturnValue().Set(v8::String::New("und"));
 }
 
+
 void JSGetLanguageTagVariants(const v8::FunctionCallbackInfo<v8::Value>& args) {
   v8::TryCatch try_catch;
 
   // Expect an array of strings.
   if (args.Length() != 1 || !args[0]->IsArray()) {
     v8::ThrowException(v8::Exception::SyntaxError(
         v8::String::New("Internal error. Expected Array<String>.")));
     return;
   }
 
@@ skipping 79 matching lines @@
     output->Set(i, result);
     if (try_catch.HasCaught()) {
       break;
     }
   }
 
   args.GetReturnValue().Set(output);
 }
 
 }  // namespace v8_i18n