Bug 1034315: Don't use NS_DECL_NSIFOO macros without inheriting from nsIFoo in netwerk/. r=mayhemer

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extra : rebase_source : a16e530ad8aafa28f45be95641c6c0c3aac7cda6
Bug 1034302: Emit MOZ_OVERRIDE in XPIDL generated macros. r=bsmedberg

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extra : rebase_source : c2e5c46beb4e630f426dd89630abcf2460cb4772