Da ich das ja auch einbinden muss das habe ich mit <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js"></script> gemacht. Da zeigt er mir an das es ein Problem mit" Security Policy" gibt
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{
"name": "My Extension",
"content_scripts": [{
"js": ["jquery.min.js", "YourJavaScriptFile.js"],
"matches": ["http://*/*", "https://*/*"]
}]
}
<script language="javascript" type= "http://ajax.googleapis.com/ajax/libs/jquery/1.10.2/" src="jquery.min.js"></script>
<script language="javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js"></script>