Scroll Percentage in Tab Title Extension

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "manifest_version": 2,
    "name": "Scroll Percentage in Tab Title Extension",
    "short_name": "ScrollPercentageInTabTitle",
    "version": "0.2",
    "author": "Dima Vishnevetsky ",
    "description": "See scrolled percentage on page tab. Always see your blog or article reading progress, how much you have read and how much is left.",
    "browser_action": {
        "default_icon": {
            "16": "icons\/icon_extension_toolbar_16.png",
            "32": "icons\/icon_extension_toolbar_32.png"
        },
        "default_title": "Scroll Percentage in Tab Title",
        "default_popup": "popup.html"
    },
    "icons": {
        "16": "icons\/icon_extension_toolbar_16.png",
        "32": "icons\/icon_windows_computers_32.png",
        "48": "icons\/icon_extensions_management_page_48.png",
        "128": "icons\/icon_web_store_icon_128.png"
    },
    "background": {
        "scripts": [
            "background.js"
        ],
        "persistent": false
    },
    "content_scripts": [
        {
            "matches": [
                ""
            ],
            "js": [
                "extensionInjector.js"
            ],
            "css": [],
            "run_at": "document_end"
        }
    ],
    "web_accessible_resources": [
        "extension.js"
    ],
    "permissions": [
        "storage",
        "tabs"
    ]
}