Remove UnusedParam.h

Source/wtf/dtoa/cached-powers.cc

 // Copyright 2006-2008 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 15 matching lines @@
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #include "config.h"
 
 #include <stdarg.h>
 #include <limits.h>
 #include <math.h>
 
 #include "cached-powers.h"
 #include "utils.h"
-#include "wtf/UnusedParam.h"
 
 namespace WTF {
 
 namespace double_conversion {
 
     struct CachedPower {
         uint64_t significand;
         int16_t binary_exponent;
         int16_t decimal_exponent;
     };
@@ skipping 106 matching lines @@
         ASSERT(PowersOfTenCache::kMinDecimalExponent == kCachedPowers[0].decimal_exponent);
         ASSERT(PowersOfTenCache::kMaxDecimalExponent == kCachedPowers[kCachedPowersLength - 1].decimal_exponent);
     }
 #endif
 
     void PowersOfTenCache::GetCachedPowerForBinaryExponentRange(
                                                                 int min_exponent,
                                                                 int max_exponent,
                                                                 DiyFp* power,
                                                                 int* decimal_exponent) {
-        UNUSED_PARAM(max_exponent);
 #ifndef NDEBUG
         validateStaticConstants();
 #endif
         int kQ = DiyFp::kSignificandSize;
         double k = ceil((min_exponent + kQ - 1) * kD_1_LOG2_10);
         int foo = kCachedPowersOffset;
         int index =
         (foo + static_cast<int>(k) - 1) / kDecimalExponentDistance + 1;
         ASSERT(0 <= index && index < kCachedPowersLength);
         CachedPower cached_power = kCachedPowers[index];
@@ skipping 17 matching lines @@
         CachedPower cached_power = kCachedPowers[index];
         *power = DiyFp(cached_power.significand, cached_power.binary_exponent);
         *found_exponent = cached_power.decimal_exponent;
         ASSERT(*found_exponent <= requested_exponent);
         ASSERT(requested_exponent < *found_exponent + kDecimalExponentDistance);
     }
 
 }  // namespace double_conversion
 
 } // namespace WTF