Move deopt_id and related helpers/definitions from Isolate to Thread

runtime/vm/code_descriptors.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/code_descriptors.h"
 
 namespace dart {
 
 void DescriptorList::AddDescriptor(RawPcDescriptors::Kind kind,
                                    intptr_t pc_offset,
                                    intptr_t deopt_id,
                                    intptr_t token_pos,
                                    intptr_t try_index) {
   ASSERT((kind == RawPcDescriptors::kRuntimeCall) ||
          (kind == RawPcDescriptors::kOther) ||
-         (deopt_id != Isolate::kNoDeoptId));
+         (deopt_id != Thread::kNoDeoptId));
 
   intptr_t merged_kind_try =
       RawPcDescriptors::MergedKindTry::Encode(kind, try_index);
 
   PcDescriptors::EncodeInteger(&encoded_data_, merged_kind_try);
   PcDescriptors::EncodeInteger(&encoded_data_, pc_offset - prev_pc_offset);
   PcDescriptors::EncodeInteger(&encoded_data_, deopt_id - prev_deopt_id);
   PcDescriptors::EncodeInteger(&encoded_data_, token_pos - prev_token_pos);
 
   prev_pc_offset = pc_offset;
@@ skipping 79 matching lines @@
                               list_[i].needs_stacktrace,
                               has_catch_all);
       handlers.SetHandledTypes(i, *list_[i].handler_types);
     }
   }
   return handlers.raw();
 }
 
 
 }  // namespace dart