Use PrintF instead of fprintf.

src/arm/disasm-arm.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 1543 matching lines @@
 
 
 void Disassembler::Disassemble(FILE* f, byte* begin, byte* end) {
   NameConverter converter;
   Disassembler d(converter);
   for (byte* pc = begin; pc < end;) {
     v8::internal::EmbeddedVector<char, 128> buffer;
     buffer[0] = '\0';
     byte* prev_pc = pc;
     pc += d.InstructionDecode(buffer, pc);
-    fprintf(f, "%p    %08x      %s\n",
-            prev_pc, *reinterpret_cast<int32_t*>(prev_pc), buffer.start());
+    PrintF(f, "%p    %08x      %s\n",
+           prev_pc, *reinterpret_cast<int32_t*>(prev_pc), buffer.start());
   }
 }
 
 
 }  // namespace disasm
 
 #endif  // V8_TARGET_ARCH_ARM