Move assert.h/assert.cc from runtime/vm to runtime/platform

runtime/vm/code_index_table.h

Index: runtime/vm/code_index_table.h
diff --git a/runtime/vm/code_index_table.h b/runtime/vm/code_index_table.h
index 5cfeca0b72fe75981b4778fd702af649abb28c7f..417d1909f28f807d5425fedf5f58c6f727dd1938 100644
--- a/runtime/vm/code_index_table.h
+++ b/runtime/vm/code_index_table.h
@@ -1,11 +1,11 @@
-// Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
+// 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_CODE_INDEX_TABLE_H_
 #define VM_CODE_INDEX_TABLE_H_
 
-#include "vm/assert.h"
+#include "platform/assert.h"
 #include "vm/globals.h"
 
 namespace dart {