Move deopt_id and related helpers/definitions from Isolate to Thread

runtime/vm/regexp_assembler_ir.cc

 // Copyright (c) 2014, 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/regexp_assembler_ir.h"
 
 #include "vm/bit_vector.h"
 #include "vm/compiler.h"
 #include "vm/dart_entry.h"
 #include "vm/flow_graph_builder.h"
@@ skipping 94 matching lines @@
   // backing is indirectly referred to so we can reuse it on subsequent matches
   // even in the case where the backing has been enlarged and thus reallocated.
   stack_array_cell_.SetAt(0, TypedData::Handle(zone,
     TypedData::New(kTypedDataInt32ArrayCid, kMinStackSize / 4, Heap::kOld)));
 
   // Create and generate all preset blocks.
   entry_block_ =
       new(zone) GraphEntryInstr(
         *parsed_function_,
         new(zone) TargetEntryInstr(block_id_.Alloc(), kInvalidTryIndex),
-        Isolate::kNoDeoptId);
+        Thread::kNoDeoptId);
   start_block_ =
       new(zone) JoinEntryInstr(block_id_.Alloc(), kInvalidTryIndex);
   success_block_ =
       new(zone) JoinEntryInstr(block_id_.Alloc(), kInvalidTryIndex);
   backtrack_block_ =
       new(zone) JoinEntryInstr(block_id_.Alloc(), kInvalidTryIndex);
   exit_block_ =
       new(zone) JoinEntryInstr(block_id_.Alloc(), kInvalidTryIndex);
 
   GenerateEntryBlock();
@@ skipping 1800 matching lines @@
       index_val,
       characters,
       specialization_cid_,
       Scanner::kNoSourcePos));
 }
 
 
 #undef __
 
 }  // namespace dart