Examine source code of All Tabs Helper

{
  "manifest_version": 2,
  "name": "All Tabs Helper",
  "version": "1.2.45",
  "description": "All Tabs Helper",
  "homepage_url": "http://kevinallasso.org",
  "icons": {
    "32": "icons/ath_icon_32.png",
    "48": "icons/ath_icon_48.png"
  },
  "applications": {
    "gecko": {
      "id": "alltabshelper@alltabshelper.org"
    }
  },
  "permissions": [
    "<all_urls>",
    "tabs",
    "find",
    "menus",
    "storage",
    "sessions",
    "browserSettings",
    "cookies"
  ],
  "browser_action": {
    "default_icon": "icons/ath_icon_64.png",
    "default_title": "All Tabs Helper",
    "default_popup": "ui/html/browserAction.html"
  },
  "background": {
    "scripts": [
      "background/background.js",
      "background/tabs.js",
      "background/functions.js",
      "background/utils.js",
      "background/speech.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "contentscripts/find_utils.js"
      ]
    },
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "contentscripts/thumbnails.js"
      ]
    }
  ],
  "web_accessible_resources": [
    "icons/button_close_12.png"
  ],
  "sidebar_action": {
    "default_icon": {
      "32": "icons/ath_icon_32.png",
      "64": "icons/ath_icon_64.png"
    },
    "default_title": "All Tabs Helper",
    "default_panel": "ui/html/sidebarAction.html"
  },
  "options_ui": {
    "page": "options/html/options.html",
    "browser_style": true
  },
  "commands": {
    "tabs-history-back": {
      "suggested_key": {
        "default": "Ctrl+Shift+1",
        "mac": "Command+Shift+1"
      },
      "description": "Go back one in tabs history"
    },
    "tabs-history-forward": {
      "suggested_key": {
        "default": "Ctrl+Shift+2",
        "mac": "Command+Shift+2"
      },
      "description": "Go forward one in tabs history"
    },
    "execute_portable_view": {
      "suggested_key": {
        "default": "Ctrl+Shift+8",
        "mac": "Command+Shift+8"
      },
      "description": "Open ATH in browserAction popup"
    },
    "_execute_sidebar_action": {
      "suggested_key": {
        "default": "Ctrl+Shift+9",
        "mac": "Command+Shift+9"
      },
      "description": "Open ATH in sidebar"
    },
    "open_full_view_window": {
      "suggested_key": {
        "default": "Ctrl+Shift+0",
        "mac": "Command+Shift+0"
      },
      "description": "Open Full View Window"
    },
    "show_debug_messages": {
      "suggested_key": {
        "default": "Ctrl+Shift+5",
        "mac": "Command+Shift+5"
      },
      "description": "Show debug messages"
    },
    "execute_speech_command": {
      "suggested_key": {
        "default": "Ctrl+Shift+M",
        "mac": "Command+Shift+M"
      },
      "description": "Execute speech command"
    },
    "focus_window_1": {
      "suggested_key": {
        "default": "Ctrl+Alt+1",
        "mac": "Command+Alt+1"
      },
      "description": "Switch to window 1 as defined by user"
    },
    "focus_window_2": {
      "suggested_key": {
        "default": "Ctrl+Alt+2",
        "mac": "Command+Alt+2"
      },
      "description": "Switch to window 2 as defined by user"
    },
    "focus_window_3": {
      "suggested_key": {
        "default": "Ctrl+Alt+3",
        "mac": "Command+Alt+3"
      },
      "description": "Switch to window 3 as defined by user"
    },
    "focus_window_4": {
      "suggested_key": {
        "default": "Ctrl+Alt+4",
        "mac": "Command+Alt+4"
      },
      "description": "Switch to window 4 as defined by user"
    },
    "focus_window_5": {
      "suggested_key": {
        "default": "Ctrl+Alt+5",
        "mac": "Command+Alt+5"
      },
      "description": "Switch to window 5 as defined by user"
    },
    "focus_window_6": {
      "suggested_key": {
        "default": "Ctrl+Alt+6",
        "mac": "Command+Alt+6"
      },
      "description": "Switch to window 6 as defined by user"
    },
    "focus_window_7": {
      "suggested_key": {
        "default": "Ctrl+Alt+7",
        "mac": "Command+Alt+7"
      },
      "description": "Switch to window 7 as defined by user"
    },
    "focus_window_8": {
      "suggested_key": {
        "default": "Ctrl+Alt+8",
        "mac": "Command+Alt+8"
      },
      "description": "Switch to window 8 as defined by user"
    },
    "focus_window_9": {
      "suggested_key": {
        "default": "Ctrl+Alt+9",
        "mac": "Command+Alt+9"
      },
      "description": "Switch to window 9 as defined by user"
    },
    "focus_window_0": {
      "suggested_key": {
        "default": "Ctrl+Alt+0",
        "mac": "Command+Alt+0"
      },
      "description": "Switch to window 0 as defined by user"
    }
  }
}