Examine source code of Evernote Web Clipper

{
  "name": "__MSG_ExtensionName__",
  "description": "__MSG_ExtensionDescription__",
  "author": "Evernote",
  "version": "7.40.0",
  "manifest_version": 2,
  "default_locale": "en",
  "background": {
    "scripts": [
      "commons.js",
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*",
        "ftp://*/*"
      ],
      "js": [
        "commons.js",
        "content.js"
      ],
      "css": [
        "content.css",
        "SkitchStyles.css",
        "TopFrames.css"
      ]
    },
    {
      "matches": [
        "http://*/*",
        "https://*/*",
        "ftp://*/*"
      ],
      "all_frames": true,
      "js": [
        "ContentScriptFrames.js"
      ]
    }
  ],
  "browser_action": {
    "default_title": "__MSG_BrowserActionTitle__",
    "default_icon": "res/icon.png"
  },
  "permissions": [
    "activeTab",
    "tabs",
    "cookies",
    "contextMenus",
    "<all_urls>",
    "notifications",
    "clipboardWrite",
    "clipboardRead"
  ],
  "web_accessible_resources": [
    "consent.html",
    "consentStyles.css",
    "ContentFrame.html",
    "OptionsFrame.html",
    "SimSearchFrame.html",
    "PdfPageButtonFrame.html",
    "content.css",
    "ClearlyReformatStyles.css",
    "ClearlyCustomStyles.css",
    "PreloaderStyles.css",
    "SkitchStyles.css",
    "HighlightStyles.css",
    "BookmarkStyles.css",
    "ScreenshotPreviewerManagerBox.css",
    "ContentScriptFrames.js",
    "res/snap.wav",
    "res/*",
    "iframe_stub.html"
  ],
  "incognito": "not_allowed",
  "options_ui": {
    "page": "OptionsFrame.html",
    "open_in_tab": true,
    "browser_style": false
  },
  "icons": {
    "48": "res/icon.png",
    "96": "res/icon.png"
  },
  "applications": {
    "gecko": {
      "strict_min_version": "58.0",
      "id": "{E0B8C461-F8FB-49b4-8373-FE32E9252800}"
    }
  }
}