Revert "Add Kernel Isolate"

runtime/vm/kernel_isolate.h

Index: runtime/vm/kernel_isolate.h
diff --git a/runtime/vm/kernel_isolate.h b/runtime/vm/kernel_isolate.h
deleted file mode 100644
index 8f54c347a1820b9c081cc68e299f21632ec56d8b..0000000000000000000000000000000000000000
--- a/runtime/vm/kernel_isolate.h
+++ /dev/null
@@ -1,57 +0,0 @@
-// Copyright (c) 2016, 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 RUNTIME_VM_KERNEL_ISOLATE_H_
-#define RUNTIME_VM_KERNEL_ISOLATE_H_
-
-#if !defined(DART_PRECOMPILED_RUNTIME)
-
-#include "include/dart_api.h"
-
-#include "vm/allocation.h"
-#include "vm/dart.h"
-#include "vm/os_thread.h"
-
-namespace dart {
-
-class KernelIsolate : public AllStatic {
- public:
-  static const char* kName;
-
-  static void Run();
-
-  static bool Exists();
-  static bool IsRunning();
-  static bool IsKernelIsolate(const Isolate* isolate);
-  static Dart_Port WaitForKernelPort();
-  static Dart_Port KernelPort() { return kernel_port_; }
-
-  static bool LoadScript(const String& url, const String& source);
-
- protected:
-  static Monitor* monitor_;
-  static Dart_IsolateCreateCallback create_callback_;
-
-  static void InitCallback(Isolate* I);
-  static void SetKernelIsolate(Isolate* isolate);
-  static void SetLoadPort(Dart_Port port);
-  static void FinishedInitializing();
-
-  static Dart_Port kernel_port_;
-  static Isolate* isolate_;
-  static bool initializing_;
-
-  static Dart_IsolateCreateCallback create_callback() {
-    return create_callback_;
-  }
-
-  friend class Dart;
-  friend class RunKernelTask;
-};
-
-}  // namespace dart
-
-#endif  // DART_PRECOMPILED_RUNTIME
-
-#endif  // RUNTIME_VM_KERNEL_ISOLATE_H_