Remove some Isolate::current_zone() calls, as it gets the zone from mutator thread not the current …

runtime/vm/object.h

 // 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.
 
 #ifndef VM_OBJECT_H_
 #define VM_OBJECT_H_
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "platform/utils.h"
@@ skipping 7190 matching lines @@
       }
     }
   }
 
   static bool IsTypedData(const Instance& obj) {
     ASSERT(!obj.IsNull());
     intptr_t cid = obj.raw()->GetClassId();
     return RawObject::IsTypedDataClassId(cid);
   }
 
-  static RawTypedData* EmptyUint32Array(Isolate* isolate);
+  static RawTypedData* EmptyUint32Array(Thread* thread);
 
  protected:
   void SetLength(intptr_t value) const {
     StoreSmi(&raw_ptr()->length_, Smi::New(value));
   }
 
  private:
   static intptr_t element_size(intptr_t index) {
     ASSERT(0 <= index && index < kNumElementSizes);
     intptr_t size = element_size_table[index];
@@ skipping 749 matching lines @@
   }
 
   static RawUserTag* New(const String& label,
                          Heap::Space space = Heap::kOld);
   static RawUserTag* DefaultTag();
 
   static bool TagTableIsFull(Isolate* isolate);
   static RawUserTag* FindTagById(uword tag_id);
 
  private:
-  static RawUserTag* FindTagInIsolate(Isolate* isolate, const String& label);
-  static void AddTagToIsolate(Isolate* isolate, const UserTag& tag);
+  static RawUserTag* FindTagInIsolate(Thread* thread, const String& label);
+  static void AddTagToIsolate(Thread* thread, const UserTag& tag);
 
   void set_label(const String& tag_label) const {
     StorePointer(&raw_ptr()->label_, tag_label.raw());
   }
 
   FINAL_HEAP_OBJECT_IMPLEMENTATION(UserTag, Instance);
   friend class Class;
 };
 
 
@@ skipping 155 matching lines @@
 
 
 RawObject* MegamorphicCache::GetTargetFunction(const Array& array,
                                                intptr_t index) {
   return array.At((index * kEntryLength) + kTargetFunctionIndex);
 }
 
 }  // namespace dart
 
 #endif  // VM_OBJECT_H_