Make array allocation stub shared between isolates.

runtime/vm/isolate.h

 // Copyright (c) 2013, 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_ISOLATE_H_
 #define VM_ISOLATE_H_
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "vm/base_isolate.h"
@@ skipping 226 matching lines @@
   void set_vm_tag(uword tag) {
     vm_tag_ = tag;
   }
   static intptr_t vm_tag_offset() {
     return OFFSET_OF(Isolate, vm_tag_);
   }
 
   ApiState* api_state() const { return api_state_; }
   void set_api_state(ApiState* value) { api_state_ = value; }
 
-  StubCode* stub_code() const { return stub_code_; }
-  void set_stub_code(StubCode* value) { stub_code_ = value; }
-
   LongJumpScope* long_jump_base() const { return long_jump_base_; }
   void set_long_jump_base(LongJumpScope* value) { long_jump_base_ = value; }
 
   TimerList& timer_list() { return timer_list_; }
 
   void set_init_callback_data(void* value) {
     init_callback_data_ = value;
   }
   void* init_callback_data() const {
     return init_callback_data_;
@@ skipping 525 matching lines @@
   uint64_t pause_capability_;
   uint64_t terminate_capability_;
   bool errors_fatal_;
   Heap* heap_;
   ObjectStore* object_store_;
   uword top_exit_frame_info_;
   void* init_callback_data_;
   Dart_EnvironmentCallback environment_callback_;
   Dart_LibraryTagHandler library_tag_handler_;
   ApiState* api_state_;
-  StubCode* stub_code_;
   Debugger* debugger_;
   bool single_step_;
   bool resume_request_;
   bool has_compiled_;
   Flags flags_;
   Random random_;
   Simulator* simulator_;
   LongJumpScope* long_jump_base_;
   TimerList timer_list_;
   intptr_t deopt_id_;
@@ skipping 246 matching lines @@
   intptr_t serialized_args_len_;
   uint8_t* serialized_message_;
   intptr_t serialized_message_len_;
   Isolate::Flags isolate_flags_;
   bool paused_;
 };
 
 }  // namespace dart
 
 #endif  // VM_ISOLATE_H_