Keep two empty lines between declarations for cpp files

src/arm/macro-assembler-arm.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 1015 matching lines @@
 #endif
 
   // Tear down the exit frame, pop the arguments, and return.
   mov(sp, Operand(fp));
   ldm(ia_w, sp, fp.bit() | lr.bit());
   if (argument_count.is_valid()) {
     add(sp, sp, Operand(argument_count, LSL, kPointerSizeLog2));
   }
 }
 
+
 void MacroAssembler::GetCFunctionDoubleResult(const DwVfpRegister dst) {
   if (use_eabi_hardfloat()) {
     Move(dst, d0);
   } else {
     vmov(dst, r0, r1);
   }
 }
 
 
 void MacroAssembler::SetCallKind(Register dst, CallKind call_kind) {
@@ skipping 2781 matching lines @@
 void CodePatcher::EmitCondition(Condition cond) {
   Instr instr = Assembler::instr_at(masm_.pc_);
   instr = (instr & ~kCondMask) | cond;
   masm_.emit(instr);
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM