Revert "Add Kernel Isolate"

runtime/bin/loader.h

 // 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_BIN_LOADER_H_
 #define RUNTIME_BIN_LOADER_H_
 
 #include "bin/isolate_data.h"
 #include "include/dart_api.h"
 #include "include/dart_native_api.h"
@@ skipping 75 matching lines @@
             const char* root_script_uri);
 
   // Send a request for a dart-ext: import to the service isolate.
   void SendImportExtensionRequest(Dart_Handle url, Dart_Handle library_url);
 
   // Send a request from the tag handler to the service isolate.
   void SendRequest(Dart_LibraryTag tag,
                    Dart_Handle url,
                    Dart_Handle library_url);
 
-  // Send a request from the tag handler to the kernel isolate.
-  void SendKernelRequest(Dart_LibraryTag tag, Dart_Handle url);
-
   /// Queue |message| and notify the loader that a message is available.
   void QueueMessage(Dart_CObject* message);
 
   /// Blocks the caller until the loader is finished.
   void BlockUntilComplete(ProcessResult process_result);
 
   /// Returns false if |result| is an error and the loader should quit.
   static bool ProcessResultLocked(Loader* loader, IOResult* result);
 
   /// Returns false if |result| is an error and the loader should quit.
@@ skipping 33 matching lines @@
 
   // This is the global callback for the native message handlers.
   static void NativeMessageHandler(Dart_Port dest_port_id,
                                    Dart_CObject* message);
 };
 
 }  // namespace bin
 }  // namespace dart
 
 #endif  // RUNTIME_BIN_LOADER_H_