Keep two empty lines between declarations for cpp files

src/factory.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 160 matching lines @@
 }
 
 
 // Internalized strings are created in the old generation (data space).
 Handle<String> Factory::InternalizeUtf8String(Vector<const char> string) {
   CALL_HEAP_FUNCTION(isolate(),
                      isolate()->heap()->InternalizeUtf8String(string),
                      String);
 }
 
+
 // Internalized strings are created in the old generation (data space).
 Handle<String> Factory::InternalizeString(Handle<String> string) {
   CALL_HEAP_FUNCTION(isolate(),
                      isolate()->heap()->InternalizeString(*string),
                      String);
 }
 
+
 Handle<String> Factory::InternalizeOneByteString(Vector<const uint8_t> string) {
   CALL_HEAP_FUNCTION(isolate(),
                      isolate()->heap()->InternalizeOneByteString(string),
                      String);
 }
 
 
 Handle<String> Factory::InternalizeOneByteString(
     Handle<SeqOneByteString> string, int from, int length) {
   CALL_HEAP_FUNCTION(isolate(),
@@ skipping 1030 matching lines @@
                      isolate()->heap()->AllocateJSMessageObject(*type,
                          *arguments,
                          start_position,
                          end_position,
                          *script,
                          *stack_trace,
                          *stack_frames),
                      JSMessageObject);
 }
 
+
 Handle<SharedFunctionInfo> Factory::NewSharedFunctionInfo(Handle<String> name) {
   CALL_HEAP_FUNCTION(isolate(),
                      isolate()->heap()->AllocateSharedFunctionInfo(*name),
                      SharedFunctionInfo);
 }
 
 
 Handle<String> Factory::NumberToString(Handle<Object> number) {
   CALL_HEAP_FUNCTION(isolate(),
                      isolate()->heap()->NumberToString(*number), String);
@@ skipping 352 matching lines @@
   return Handle<Object>::null();
 }
 
 
 Handle<Object> Factory::ToBoolean(bool value) {
   return value ? true_value() : false_value();
 }
 
 
 } }  // namespace v8::internal