Move deopt_id and related helpers/definitions from Isolate to Thread

runtime/vm/compiler.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_COMPILER_H_
 #define VM_COMPILER_H_
 
 #include "vm/allocation.h"
 #include "vm/growable_array.h"
 #include "vm/runtime_entry.h"
@@ skipping 32 matching lines @@
   // Generates unoptimized code if not present, current code is unchanged.
   static RawError* EnsureUnoptimizedCode(Thread* thread,
                                          const Function& function);
 
   // Generates optimized code for function.
   //
   // Returns Error::null() if there is no compilation error.
   static RawError* CompileOptimizedFunction(
       Thread* thread,
       const Function& function,
-      intptr_t osr_id = Isolate::kNoDeoptId);
+      intptr_t osr_id = Thread::kNoDeoptId);
 
   // Generates code for given parsed function (without parsing it again) and
   // sets its code field.
   //
   // Returns Error::null() if there is no compilation error.
   static RawError* CompileParsedFunction(ParsedFunction* parsed_function);
 
   // Generates and executes code for a given code fragment, e.g. a
   // compile time constant expression. Returns the result returned
   // by the fragment.
@@ skipping 61 matching lines @@
   bool* done_;
   Monitor* monitor_;
   Monitor* done_monitor_;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(BackgroundCompiler);
 };
 
 }  // namespace dart
 
 #endif  // VM_COMPILER_H_