Keep two empty lines between declarations for cpp files

src/mips/lithium-codegen-mips.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 3342 matching lines @@
                scratch, Operand(FIRST_SPEC_OBJECT_TYPE));
   __ Branch(&receiver_ok);
 
   __ bind(&global_object);
   __ lw(receiver, GlobalObjectOperand());
   __ lw(receiver,
          FieldMemOperand(receiver, JSGlobalObject::kGlobalReceiverOffset));
   __ bind(&receiver_ok);
 }
 
+
 void LCodeGen::DoApplyArguments(LApplyArguments* instr) {
   Register receiver = ToRegister(instr->receiver());
   Register function = ToRegister(instr->function());
   Register length = ToRegister(instr->length());
   Register elements = ToRegister(instr->elements());
   Register scratch = scratch0();
   ASSERT(receiver.is(a0));  // Used for parameter count.
   ASSERT(function.is(a1));  // Required by InvokeFunction.
   ASSERT(ToRegister(instr->result()).is(v0));
 
@@ skipping 506 matching lines @@
   // 0x41300000 is the top half of 1.0 x 2^20 as a double.
   __ li(a2, Operand(0x41300000));
   // Move 0x41300000xxxxxxxx (x = random bits in v0) to FPU.
   __ Move(f12, v0, a2);
   // Move 0x4130000000000000 to FPU.
   __ Move(f14, zero_reg, a2);
   // Subtract to get the result.
   __ sub_d(f0, f12, f14);
 }
 
+
 void LCodeGen::DoDeferredRandom(LRandom* instr) {
   __ PrepareCallCFunction(1, scratch0());
   __ CallCFunction(ExternalReference::random_uint32_function(isolate()), 1);
   // Return value is in v0.
 }
 
 
 void LCodeGen::DoMathExp(LMathExp* instr) {
   DoubleRegister input = ToDoubleRegister(instr->value());
   DoubleRegister result = ToDoubleRegister(instr->result());
@@ skipping 2001 matching lines @@
   __ Subu(scratch, result, scratch);
   __ lw(result, FieldMemOperand(scratch,
                                 FixedArray::kHeaderSize - kPointerSize));
   __ bind(&done);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal