chrome/test/data/webui/glic/tsconfig.base.json

{
    "extends": "../../../../../tools/typescript/tsconfig_base.json",
    "compilerOptions": {
      "typeRoots": ["../../../../../third_party/node/node_modules/@types"],
      "types": [
        "w3c-image-capture",
        "dom-mediacapture-transform"
      ]
    }
  }