Add fast paths for Smi values in the dart embedding api.

vm/object.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/object.h"
 
 #include "platform/assert.h"
 #include "vm/assembler.h"
 #include "vm/bigint_operations.h"
 #include "vm/bootstrap.h"
@@ skipping 6681 matching lines @@
   if (other.IsNull() || !other.IsSmi()) {
     return false;
   }
 
   Smi& other_smi = Smi::Handle();
   other_smi ^= other.raw();
   return (this->Value() == other_smi.Value());
 }
 
 
-bool Smi::IsValid(intptr_t value) {
-  return (value >= kMinValue) && (value <= kMaxValue);
-}
-
-
-bool Smi::IsValid64(int64_t value) {
-  return (value >= kMinValue) && (value <= kMaxValue);
-}
-
-
 double Smi::AsDoubleValue() const {
   return static_cast<double>(this->Value());
 }
 
 
 int64_t Smi::AsInt64Value() const {
   return this->Value();
 }
 
 
@@ skipping 2418 matching lines @@
   const String& str = String::Handle(pattern());
   const char* format = "JSRegExp: pattern=%s flags=%s";
   intptr_t len = OS::SNPrint(NULL, 0, format, str.ToCString(), Flags());
   char* chars = reinterpret_cast<char*>(
       Isolate::Current()->current_zone()->Allocate(len + 1));
   OS::SNPrint(chars, (len + 1), format, str.ToCString(), Flags());
   return chars;
 }
 
 }  // namespace dart