Bug 949533 - Remove uses of x-content-security-policy and pre-spec-compliant parsing/enforcement (file changes). r=jst,grobinson

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extra : rebase_source : 0be7ad6dc09ef5b6c273748af87503b7c0d19d5b
Bug 949533 - Remove files that test only x-csp (pre-spec-compliant) CSP implementation. r=grobinson

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extra : rebase_source : 54222391dd28863512cc0b6b0052904162a43180
Bug 1011058 - CSP in C++: Use different console message to indicate report only mode (r=sstamm)

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extra : rebase_source : a8fa04125c9e2bced89ae9843887eff3d4904631