Keep two empty lines between declarations for cpp files

src/v8.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 245 matching lines @@
   // ( 1.(20 0s)(32 random bits) x 2^20 ) - (1.0 x 2^20)).
   static const double binary_million = 1048576.0;
   r.double_value = binary_million;
   r.uint64_t_value |= random_bits;
   r.double_value -= binary_million;
 
   HeapNumber::cast(heap_number)->set_value(r.double_value);
   return heap_number;
 }
 
+
 void V8::InitializeOncePerProcessImpl() {
   FlagList::EnforceFlagImplications();
   if (FLAG_stress_compaction) {
     FLAG_force_marking_deque_overflows = true;
     FLAG_gc_global = true;
     FLAG_max_new_space_size = (1 << (kPageSizeBits - 10)) * 2;
   }
   if (FLAG_trace_hydrogen) FLAG_parallel_recompilation = false;
 
   if (FLAG_sweeper_threads <= 0) {
@@ skipping 40 matching lines @@
       && !Serializer::enabled()
       && CPU::SupportsCrankshaft();
   OS::PostSetUp();
   ElementsAccessor::InitializeOncePerProcess();
   LOperand::SetUpCaches();
   SetUpJSCallerSavedCodeData();
   ExternalReference::SetUp();
   Bootstrapper::InitializeOncePerProcess();
 }
 
+
 void V8::InitializeOncePerProcess() {
   CallOnce(&init_once, &InitializeOncePerProcessImpl);
 }
 
 } }  // namespace v8::internal