Keep two empty lines between declarations for cpp files

test/cctest/test-regexp.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 76 matching lines @@
   FlatStringReader reader(Isolate::Current(), CStrVector(input));
   RegExpCompileData result;
   CHECK(v8::internal::RegExpParser::ParseRegExp(
       &reader, false, &result, &zone));
   CHECK(result.tree != NULL);
   CHECK(result.error.is_null());
   SmartArrayPointer<const char> output = result.tree->ToString(&zone);
   return output;
 }
 
+
 static bool CheckSimple(const char* input) {
   V8::Initialize(NULL);
   v8::HandleScope scope(v8::Isolate::GetCurrent());
   Zone zone(Isolate::Current());
   FlatStringReader reader(Isolate::Current(), CStrVector(input));
   RegExpCompileData result;
   CHECK(v8::internal::RegExpParser::ParseRegExp(
       &reader, false, &result, &zone));
   CHECK(result.tree != NULL);
   CHECK(result.error.is_null());
   return result.simple;
 }
 
 struct MinMaxPair {
   int min_match;
   int max_match;
 };
 
+
 static MinMaxPair CheckMinMaxMatch(const char* input) {
   V8::Initialize(NULL);
   v8::HandleScope scope(v8::Isolate::GetCurrent());
   Zone zone(Isolate::Current());
   FlatStringReader reader(Isolate::Current(), CStrVector(input));
   RegExpCompileData result;
   CHECK(v8::internal::RegExpParser::ParseRegExp(
       &reader, false, &result, &zone));
   CHECK(result.tree != NULL);
   CHECK(result.error.is_null());
@@ skipping 245 matching lines @@
   CHECK_MIN_MAX("(?:ab){4,7}", 8, 14);
   CHECK_MIN_MAX("a\\bc", 2, 2);
   CHECK_MIN_MAX("a\\Bc", 2, 2);
   CHECK_MIN_MAX("a\\sc", 3, 3);
   CHECK_MIN_MAX("a\\Sc", 3, 3);
   CHECK_MIN_MAX("a(?=b)c", 2, 2);
   CHECK_MIN_MAX("a(?=bbb|bb)c", 2, 2);
   CHECK_MIN_MAX("a(?!bbb|bb)c", 2, 2);
 }
 
+
 TEST(ParserRegression) {
   CHECK_PARSE_EQ("[A-Z$-][x]", "(! [A-Z $ -] [x])");
   CHECK_PARSE_EQ("a{3,4*}", "(: 'a{3,' (# 0 - g '4') '}')");
   CHECK_PARSE_EQ("{", "'{'");
   CHECK_PARSE_EQ("a|", "(| 'a' %)");
 }
 
 static void ExpectError(const char* input,
                         const char* expected) {
   V8::Initialize(NULL);
@@ skipping 262 matching lines @@
     for (int j = 0; j < kRangeCount; j++) {
       uc16* range = ranges[j];
       bool is_on = false;
       for (int k = 0; !is_on && (k < 2 * kRangeSize); k += 2)
         is_on = (range[k] <= p && p <= range[k + 1]);
       CHECK_EQ(is_on, outs->Get(j));
     }
   }
 }
 
+
 // Test of debug-only syntax.
 #ifdef DEBUG
 
 TEST(ParsePossessiveRepetition) {
   bool old_flag_value = FLAG_regexp_possessive_quantifier;
 
   // Enable possessive quantifier syntax.
   FLAG_regexp_possessive_quantifier = true;
 
   CHECK_PARSE_EQ("a*+", "(# 0 - p 'a')");
@@ skipping 1134 matching lines @@
   ZoneList<CharacterRange> first_only(4, &zone);
   ZoneList<CharacterRange> second_only(4, &zone);
   ZoneList<CharacterRange> both(4, &zone);
 }
 
 
 TEST(Graph) {
   V8::Initialize(NULL);
   Execute("\\b\\w+\\b", false, true, true);
 }