HTML5 PDF Printing in Chrome

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "manifest_version": 2,
    "name": "HTML5 PDF Printing in Chrome",
    "version": "0.0.1.8",
    "description": "HTML5 to display and print PDF files directly in the browser.",
    "icons": {
        "128": "icon128.png",
        "48": "icon48.png",
        "16": "icon16.png"
    },
    "permissions": [
        "fileBrowserHandler",
        "webRequest",
        "webRequestBlocking",
        "",
        "tabs",
        "webNavigation",
        "storage"
    ],
    "content_scripts": [
        {
            "matches": [
                "http:\/\/*\/*",
                "https:\/\/*\/*",
                "ftp:\/\/*\/*",
                "file:\/\/*\/*"
            ],
            "run_at": "document_start",
            "all_frames": true,
            "css": [
                "contentstyle.css"
            ],
            "js": [
                "contentscript.js"
            ]
        }
    ],
    "content_security_policy": "script-src 'self' 'unsafe-eval'; object-src 'self'",
    "file_browser_handlers": [
        {
            "id": "open-as-pdf",
            "default_title": "Open with PDF Viewer",
            "file_filters": [
                "filesystem:*.pdf"
            ]
        }
    ],
    "storage": {
        "managed_schema": "preferences_schema.json"
    },
    "options_ui": {
        "page": "options\/options.html",
        "chrome_style": true
    },
    "options_page": "options\/options.html",
    "background": {
        "page": "pdfHandler.html"
    },
    "page_action": {
        "default_icon": {
            "19": "icon19.png",
            "38": "icon38.png"
        },
        "default_title": "Show PDF URL",
        "default_popup": "pageActionPopup.html"
    },
    "incognito": "split",
    "web_accessible_resources": [
        "content\/web\/viewer.html",
        "http:\/*",
        "https:\/*",
        "ftp:\/*",
        "file:\/*",
        "chrome-extension:\/*",
        "filesystem:\/*",
        "drive:*"
    ]
}