Load vmservice from a .dill file when generating AOT snapshots.

runtime/bin/vmservice_impl.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 "bin/vmservice_impl.h"
 
 #include "include/dart_api.h"
 
 #include "bin/builtin.h"
 #include "bin/dartutils.h"
@@ skipping 134 matching lines @@
     }
   }
   return NULL;
 }
 
 
 const char* VmService::error_msg_ = NULL;
 char VmService::server_uri_[kServerUriStringBufferSize];
 
 
-bool VmService::LoadForGenPrecompiled() {
+bool VmService::LoadForGenPrecompiled(void* vmservice_kernel) {
   Dart_Handle result;
   Dart_SetLibraryTagHandler(LibraryTagHandler);
-  Dart_Handle library =
-      LookupOrLoadLibrary(kVMServiceIOLibraryScriptResourceName);
+  Dart_Handle library;
+  if (vmservice_kernel != NULL) {
+    library = Dart_LoadLibrary(
+        Dart_NewStringFromCString(kVMServiceIOLibraryUri), Dart_Null(),
+        reinterpret_cast<Dart_Handle>(vmservice_kernel), 0, 0);
+  } else {
+    library = LookupOrLoadLibrary(kVMServiceIOLibraryScriptResourceName);
+  }
   ASSERT(library != Dart_Null());
   SHUTDOWN_ON_ERROR(library);
   result = Dart_SetNativeResolver(library, VmServiceIONativeResolver, NULL);
   SHUTDOWN_ON_ERROR(result);
   result = Dart_FinalizeLoading(false);
   SHUTDOWN_ON_ERROR(result);
   return true;
 }
 
 
@@ skipping 202 matching lines @@
   Dart_Handle source = GetSource(url_string);
   if (Dart_IsError(source)) {
     return source;
   }
   return Dart_LoadSource(library, url, Dart_Null(), source, 0, 0);
 }
 
 
 }  // namespace bin
 }  // namespace dart