The sample code at http://src.chromium.org/viewvc/chrome/trunk/src/chrome/common/extensions/docs/examples/api/browserAction/make_page_red/background.js says that it shouldn't need "tabs" or "host" permissions in the handler. https://dxr.mozilla.org/mozilla-central/source/browser/components/extensions/ext-utils.js#86 looks like the line where the magic occurs (or doesn't occur in this case ;).
This extension is actually using the activeTab permission. That's still something we need to implement.
Status: NEW → RESOLVED
Last Resolved: 4 years ago
Resolution: --- → DUPLICATE
Duplicate of bug: 1190688
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