Keep two empty lines between declarations for cpp files

src/mips/constants-mips.cc

 // Copyright 2011 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 40 matching lines @@
   "t8", "t9",
   "k0", "k1",
   "gp",
   "sp",
   "fp",
   "ra",
   "LO", "HI",
   "pc"
 };
 
+
 // List of alias names which can be used when referring to MIPS registers.
 const Registers::RegisterAlias Registers::aliases_[] = {
   {0, "zero"},
   {23, "cp"},
   {30, "s8"},
   {30, "s8_fp"},
   {kInvalidRegister, NULL}
 };
 
+
 const char* Registers::Name(int reg) {
   const char* result;
   if ((0 <= reg) && (reg < kNumSimuRegisters)) {
     result = names_[reg];
   } else {
     result = "noreg";
   }
   return result;
 }
 
@@ skipping 19 matching lines @@
   return kInvalidRegister;
 }
 
 
 const char* FPURegisters::names_[kNumFPURegisters] = {
   "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", "f8", "f9", "f10", "f11",
   "f12", "f13", "f14", "f15", "f16", "f17", "f18", "f19", "f20", "f21",
   "f22", "f23", "f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31"
 };
 
+
 // List of alias names which can be used when referring to MIPS registers.
 const FPURegisters::RegisterAlias FPURegisters::aliases_[] = {
   {kInvalidRegister, NULL}
 };
 
+
 const char* FPURegisters::Name(int creg) {
   const char* result;
   if ((0 <= creg) && (creg < kNumFPURegisters)) {
     result = names_[creg];
   } else {
     result = "nocreg";
   }
   return result;
 }
 
@@ skipping 222 matching lines @@
     default:
       return kUnsupported;
   };
   return kUnsupported;
 }
 
 
 } }   // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_MIPS