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dd798850 Implement dummy_id for NaCl architecture because we need to sandbox frame pointer.
Review URL: https://chromiumcodereview.appspot.com/10895009

git-svn-id: 721b910a23eff8a86f00c8fd261a7587cddf18f8@9583 fcba33aa-ac0c-11dd-b9e7-8d5594d729c2

nacl-webkit/native_client,sbc100/native_client,sbc100/native_client,sbc100/native_client,sbc100/native_client,sbc100/native_client,nacl-webkit/native_client,nacl-webkit/native_client,sbc100/native_client,nacl-webkit/native_client,nacl-webkit/native_client