always https

always_https.js

if (location.href.substring(0,5) == 'http:') {
  console.log(location.href);
  console.log(location.host);
  console.log(location.pathname);
  old_url = location.href.substring(7);
  if (m = old_url.match("(www\.)?google\.com/search(.*)")) {
    param = m[2];
    window.location = "https://encrypted.google.com/search".concat(param);
  } else if (m = old_url.match("(www\.)?google\.com/webhp(.*)")) {
    param = m[2];
    window.location = "https://encrypted.google.com/webhp".concat(param);
  } else if (m = old_url.match("(www\.)?google\.com/firefox/(.*)")) {
    param = m[2];
    window.location = "https://encrypted.google.com/webhp".concat(param);
  } else if (m = old_url.match("(www\.)?google\.com/squared(.*)")) {
    param = m[2];
    window.location = "https://www.google.com/squared".concat(param);
  } else if (m = old_url.match("(www\.)?google\.com/reader(.*)")) {
    param = m[2];
    window.location = "https://www.google.com/reader".concat(param);
  } else if (m = old_url.match("codesearch\.google\.com/(.*)")) {
    param = m[1];
    window.location = "https://codesearch.google.com/".concat(param);
  } else if (m = old_url.match("(www\.)?google.com/(.*)")) {
    param = m[2];
    window.location = "https://encrypted.google.com/".concat(param);
  } else if (m = old_url.match("(www\.)?google.co\.[a-z][a-z]/(.*)")) {
    param = m[2];
    window.location = "https://encrypted.google.com/".concat(param);
  } else if (m = old_url.match("code\.google\.com/(.*)") {
    param = m[1];
    window.location = "https://code.google.com/".concat(param);
  } else {
    return false;
  }
}

manifest.json

{
  "content_scripts": [ 
  {
    "js": [ "always_https.js" ],
      "matches": [ "http://*.google.com/*", "http://*.google.co.jp/*" ],
      "run_at": "document_start"
  }
  ],
    "description": "Always access on https.",
    "name": "Always https",
    "permissions": [ "tabs" ],
    "version": "0.1"
}