Keep two empty lines between declarations for cpp files

src/extensions/i18n/break-iterator.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 @@
   v8::Local<v8::Object> handle = v8::Local<v8::Object>::New(isolate, *object);
   delete UnpackBreakIterator(handle);
 
   delete static_cast<icu::UnicodeString*>(
       handle->GetAlignedPointerFromInternalField(1));
 
   // Then dispose of the persistent handle to JS object.
   object->Dispose(isolate);
 }
 
+
 // Throws a JavaScript exception.
 static v8::Handle<v8::Value> ThrowUnexpectedObjectError() {
   // Returns undefined, and schedules an exception to be thrown.
   return v8::ThrowException(v8::Exception::Error(
       v8::String::New("BreakIterator method called on an object "
                       "that is not a BreakIterator.")));
 }
 
+
 // Deletes the old value and sets the adopted text in corresponding
 // JavaScript object.
 icu::UnicodeString* ResetAdoptedText(
     v8::Handle<v8::Object> obj, v8::Handle<v8::Value> value) {
   // Get the previous value from the internal field.
   icu::UnicodeString* text = static_cast<icu::UnicodeString*>(
       obj->GetAlignedPointerFromInternalField(1));
   delete text;
 
   // Assign new value to the internal pointer.
@@ skipping 219 matching lines @@
       icu_locale.getName(), result, ULOC_FULLNAME_CAPACITY, FALSE, &status);
   if (U_SUCCESS(status)) {
     resolved->Set(v8::String::New("locale"), v8::String::New(result));
   } else {
     // This would never happen, since we got the locale from ICU.
     resolved->Set(v8::String::New("locale"), v8::String::New("und"));
   }
 }
 
 }  // namespace v8_i18n