Fix presubmit errors caused by updated depot tools

src/mips/assembler-mips.h

 // Copyright (c) 1994-2006 Sun Microsystems Inc.
 // 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.
 //
@@ skipping 1141 matching lines @@
         // when this happens.
         ASSERT(0);
         // Internal exception will be caught.
       } else {
         trampoline_slot = next_slot_;
         free_slot_count_--;
         next_slot_ += kTrampolineSlotsSize;
       }
       return trampoline_slot;
     }
+
    private:
     int start_;
     int end_;
     int next_slot_;
     int free_slot_count_;
   };
 
   int32_t get_trampoline_entry(int32_t pos);
   int unbound_labels_count_;
   // If trampoline is emitted, generated code is becoming large. As this is
@@ skipping 24 matching lines @@
 class EnsureSpace BASE_EMBEDDED {
  public:
   explicit EnsureSpace(Assembler* assembler) {
     assembler->CheckBuffer();
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_ARM_ASSEMBLER_MIPS_H_