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- [x] Report the reload error synchronously from the _reloadSources RPC. - [x] Add sticky reload error to an isolate so we can report the error. - [x] Remove redundant 'OnStackReload'. - [x] Fix a bug where a class could have a field added but we wouldn't reject it. - [x] Add unit test for above bug fix. - [x] Enable reload via the service protocol with a live stack. R=fschneider@google.com Review URL: https://codereview.chromium.org/2070873002 .