Fix presubmit errors in r7388

src/mips/macro-assembler-mips.h

 // Copyright 2010 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 742 matching lines @@
   // The argument count assumes all arguments are word sized.
   // Some compilers/platforms require the stack to be aligned when calling
   // C++ code.
   // Needs a scratch register to do some arithmetic. This register will be
   // trashed.
   void PrepareCallCFunction(int num_arguments, Register scratch);
 
   // Arguments 1-4 are placed in registers a0 thru a3 respectively.
   // Arguments 5..n are stored to stack using following:
   //  sw(t0, CFunctionArgumentOperand(5));
-  
+
   // Calls a C function and cleans up the space for arguments allocated
   // by PrepareCallCFunction. The called function is not allowed to trigger a
   // garbage collection, since that might move the code and invalidate the
   // return address (unless this is somehow accounted for by the called
   // function).
   void CallCFunction(ExternalReference function, int num_arguments);
   void CallCFunction(Register function, Register scratch, int num_arguments);
 
   // Jump to the builtin routine.
   void JumpToExternalReference(const ExternalReference& builtin);
@@ skipping 275 matching lines @@
 #define __FILE_LINE__ __FILE__ ":" CODE_COVERAGE_TOSTRING(__LINE__)
 #define ACCESS_MASM(masm) masm->stop(__FILE_LINE__); masm->
 #else
 #define ACCESS_MASM(masm) masm->
 #endif
 
 } }  // namespace v8::internal
 
 #endif  // V8_MIPS_MACRO_ASSEMBLER_MIPS_H_