Remove isolate argument from handle allocation: Part I

runtime/lib/math.cc

 // Copyright (c) 2011, 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 <ctype.h>  // isspace.
 
 #include "vm/bootstrap_natives.h"
 
 #include "vm/exceptions.h"
 #include "vm/native_entry.h"
@@ skipping 92 matching lines @@
   const uint64_t state_hi = array.GetUint32(array.ElementSizeInBytes());
   const uint64_t A = 0xffffda61;
   uint64_t state = (A * state_lo) + state_hi;
   array.SetUint32(0, static_cast<uint32_t>(state));
   array.SetUint32(array.ElementSizeInBytes(),
       static_cast<uint32_t>(state >> 32));
   return Object::null();
 }
 
 
-RawTypedData* CreateRandomState(Isolate* isolate, uint64_t seed) {
+RawTypedData* CreateRandomState(Zone* zone, uint64_t seed) {
   const TypedData& result = TypedData::Handle(
-      isolate, TypedData::New(kTypedDataUint32ArrayCid, 2));
+      zone, TypedData::New(kTypedDataUint32ArrayCid, 2));
   result.SetUint32(0, static_cast<uint32_t>(seed));
   result.SetUint32(result.ElementSizeInBytes(),
                    static_cast<uint32_t>(seed >> 32));
   return result.raw();
 }
 
 
 uint64_t mix64(uint64_t n) {
   // Thomas Wang 64-bit mix.
   // http://www.concentric.net/~Ttwang/tech/inthash.htm
@@ skipping 54 matching lines @@
       seed = (seed * 1037) ^ mix64(low64);
       digit += 2;
     } while (digit < used);
   } else {
     seed = mix64(static_cast<uint64_t>(seed_int.AsInt64Value()));
   }
 
   if (seed == 0) {
     seed = 0x5a17;
   }
-  return CreateRandomState(isolate, seed);
+  return CreateRandomState(zone, seed);
 }
 
 
 DEFINE_NATIVE_ENTRY(Random_initialSeed, 0) {
   Random* rnd = isolate->random();
   uint64_t seed = rnd->NextUInt32();
   seed |= (static_cast<uint64_t>(rnd->NextUInt32()) << 32);
-  return CreateRandomState(isolate, seed);
+  return CreateRandomState(zone, seed);
 }
 
 }  // namespace dart