Keep two empty lines between declarations for cpp files

test/cctest/test-parsing.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 615 matching lines @@
     i::Token::Value expected = expected_tokens[i];
     i::Token::Value actual = scanner.Next();
     CHECK_EQ(i::Token::String(expected), i::Token::String(actual));
     if (scanner.location().end_pos == skip_pos) {
       scanner.SeekForward(skip_to);
     }
     i++;
   } while (expected_tokens[i] != i::Token::ILLEGAL);
 }
 
+
 TEST(StreamScanner) {
   v8::V8::Initialize();
 
   const char* str1 = "{ foo get for : */ <- \n\n /*foo*/ bib";
   i::Utf8ToUtf16CharacterStream stream1(reinterpret_cast<const i::byte*>(str1),
                                         static_cast<unsigned>(strlen(str1)));
   i::Token::Value expectations1[] = {
       i::Token::LBRACE,
       i::Token::IDENTIFIER,
       i::Token::IDENTIFIER,
@@ skipping 665 matching lines @@
       "  b = function() {    \n"
       "    01;               \n"
       "  };                  \n"
       "};                    \n";
   v8::Script::Compile(v8::String::New(script));
   CHECK(try_catch.HasCaught());
   v8::String::Utf8Value exception(try_catch.Exception());
   CHECK_EQ("SyntaxError: Octal literals are not allowed in strict mode.",
            *exception);
 }