isolates refactor: this change introduces 'dart:isolate' as a library. This is a

runtime/vm/object.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_OBJECT_H_
 #define VM_OBJECT_H_
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "platform/utils.h"
@@ skipping 1730 matching lines @@
 
   RawLibrary* next_registered() const { return raw_ptr()->next_registered_; }
 
   RawString* DuplicateDefineErrorString(const String& entry_name,
                                         const Library& conflicting_lib) const;
   static RawLibrary* LookupLibrary(const String& url);
   static RawString* CheckForDuplicateDefinition();
   static bool IsKeyUsed(intptr_t key);
 
   static void InitCoreLibrary(Isolate* isolate);
+  static void InitIsolateLibrary(Isolate* isolate);
   static RawLibrary* CoreLibrary();
   static RawLibrary* CoreImplLibrary();
+  static RawLibrary* IsolateLibrary();
   static void InitNativeWrappersLibrary(Isolate* isolate);
   static RawLibrary* NativeWrappersLibrary();
 
   // Eagerly compile all classes and functions in the library.
   static RawError* CompileAll();
 
  private:
   static const int kInitialImportsCapacity = 4;
   static const int kImportsCapacityIncrement = 8;
   static const int kInitialImportedIntoCapacity = 1;
@@ skipping 1980 matching lines @@
 }
 
 
 void Context::SetAt(intptr_t index, const Instance& value) const {
   StorePointer(InstanceAddr(index), value.raw());
 }
 
 }  // namespace dart
 
 #endif  // VM_OBJECT_H_