Move deopt_id and related helpers/definitions from Isolate to Thread

runtime/vm/deferred_objects.cc

 // 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.
 
 #include "vm/deferred_objects.h"
 
 #include "vm/code_patcher.h"
 #include "vm/compiler.h"
 #include "vm/deopt_instructions.h"
 #include "vm/flags.h"
@@ skipping 96 matching lines @@
   function ^= deopt_context->ObjectAt(index_);
   const Error& error = Error::Handle(zone,
       Compiler::EnsureUnoptimizedCode(thread, function));
   if (!error.IsNull()) {
     Exceptions::PropagateError(error);
   }
   const Code& code = Code::Handle(zone, function.unoptimized_code());
   // Check that deopt_id exists.
   // TODO(vegorov): verify after deoptimization targets as well.
 #ifdef DEBUG
-  ASSERT(Isolate::IsDeoptAfter(deopt_id_) ||
+  ASSERT(Thread::IsDeoptAfter(deopt_id_) ||
          (code.GetPcForDeoptId(deopt_id_, RawPcDescriptors::kDeopt) != 0));
 #endif
 
   uword continue_at_pc = code.GetPcForDeoptId(deopt_id_,
                                               RawPcDescriptors::kDeopt);
   ASSERT(continue_at_pc != 0);
   uword* dest_addr = reinterpret_cast<uword*>(slot());
   *dest_addr = continue_at_pc;
 
   if (FLAG_trace_deoptimization_verbose) {
@@ skipping 201 matching lines @@
           OS::PrintErr("    null Field @ offset(%" Pd ") <- %s\n",
                        offset.Value(),
                        value.ToCString());
         }
       }
     }
   }
 }
 
 }  // namespace dart