chrome extension ajax other chrome extension

I don't think this has been asked yet but a chrome extension ajax other chrome extension. I tried but failed. It's being ajaxed though jquery. My main goal is to get the current chrome theme background.

I get this error:

Denying load of chrome-extension:///manifest.json. Resources must be listed in the web_accessible_resources manifest key in order to be loaded by pages outside the extension.

Code I tried:

$.get( "chrome-extension://<ID>/manifest.json", function( data ) {


    "chrome_url_overrides": {
        "newtab": "popup.html"
    "description": "<description>",
    "browser_action": {
        "default_icon": "icon.png"
    "manifest_version": 2,
    "name": "<name>",
    "permissions": [ "tabs","management","*://*/*" ,"<all_urls>"],
    "web_accessible_resources": ["*"],
   "version": "1.0.0"


You cannot read the data of another extension unless the resource is listed in the web_accessible_resources section of the other extension's manifest file.

For your specific use case, you'd better use the API to get information about the other extension:'extension ID here', function(result) {
    // See

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