'manifest_version' should be the same as in the extension CRX file manifest.json (current manifest_version 2).Again, this is in the manifest.json file. 'update_url' is the URL where the CRX lives.So, you can't specify and empty permissions array, and the real extension requires lots of permissions - that would hide escalating privilege. 'permissions' must be the same as the permissions in the extension CRX file at 'update_url', or the user will see lots of warnings and it won't load.'(Installing.)') will help users understand why an extension is taking an extra bit of time to load. 'name' can be anything, although having a temporary tag (i.e.If you look at an unzipped CRX file, you'll find the 'key' in manifest.json. The 'key' value comes from the packaged extension, just like the hash.These can come from the extension's manifest. The 'manifest' section must contain 'key', 'name', 'permissions', 'update_url', 'version', and 'manifest_version'.You get this by packaging up the CRX file, and is also the extension's identifier in the gallery. Under settings, the first value is the hash of the extension ('apflmjolhbonpkbkooiamcnenbmbjcbf').'path': 'apflmjolhbonpkbkooiamcnenbmbjcbf\0.0',Д«reaking down the lines in this master_preferences file, 'name': 'Google Reader Notifier (Installing.)', 'key': 'MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC5cK3ybDkh173plsjDXoqUzvsjFRMtbc5+a8HR6dxYBETeXQ7GOR5/xYnsY2R4smo5ly4yUK69iF7rnPNH+X97K7e7JFbuH5W/ZRc8YaIG66oJ9JwKZagSOZasSJPWNz4f1GdaHD1Z4KRucvOYxsaPVdwS2W3nbG6i3oQFaio+JQIDAQAB',

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