Examine source code of Coolant — Tab Thermal Optimizer

{
  "manifest_version": 3,
  "name": "Coolant — Tab Thermal Optimizer",
  "version": "1.0.1",
  "description": "Reduces CPU/GPU load and heat from heavy infinite animations, backdrop-filters, blend-modes and background videos, with negligible overhead you can verify via the built-in performance diagnostics panel.",
  "browser_specific_settings": {
    "gecko": {
      "id": "{867ae1e8-6bd4-4baa-b7d3-25ad72545e83}",
      "strict_min_version": "128.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "permissions": [
    "tabs",
    "storage",
    "scripting"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "48": "icon-green48.png",
      "128": "icon-green128.png"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_start",
      "all_frames": true
    },
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "injected.js"
      ],
      "run_at": "document_start",
      "all_frames": true,
      "world": "MAIN"
    }
  ],
  "icons": {
    "48": "icon-green48.png",
    "128": "icon-green128.png"
  }
}