manifest.json

{
    "manifest_version": 2,
    "name": "TabMute-for-Meet",
    "version": "1.0",
  
    "permissions": [
      "tabs"
    ],
  
    "background": {
      "scripts": ["background.js"],
      "persistent": false
    },
  
    "action": {
      "default_popup": "popup.html",
      "default_icon": {
        
        "128": "micOn.png"
      }
    },
  
    "content_scripts": [
      {
        "matches": ["*://*/*"],
        "js": ["content.js"]
      }
    ],
  
    "icons": {
      
      "128": "micOn.png"
    },
  
    "permissions": [
      "declarativeContent",
      "activeTab"
    ],
  
    "page_action": {
      "default_popup": "popup.html",
      "default_icon": {
        
        "128": "micOn.png"
      }
    },
  
    "background": {
      "scripts": ["background.js"],
      "persistent": false
    }
  
    
    
  }