manifest.json

{

  "name": "Gmail Always Show Icons",
  "version": "0.1",
  "description": "Always show extra icons on compose mode.",
  "icons": { "16": "icons/icon16.png",
             "48": "icons/icon48.png",
            "128": "icons/icon128.png" },
  "default_locale": "en",

  //============================================================================
  // DECLARE AT MOST ONE OF THE FOLLOWING UI EXPOSURES
  // (A SAMPLE BROWSER ACTION IS PROVIDED BY DEFAULT)
  //============================================================================

  // http://code.google.com/chrome/extensions/browserAction.html
  "browser_action": {
    "default_icon":  "icons/icon19.png", // optional
    "default_title": "-",     // optional; shown in tooltip
    "default_popup": "src/popup.html"    // optional
  },

  // http://code.google.com/chrome/extensions/pageAction.html
  /*
  "page_action": {
    "default_icon":  "icons/icon19.png", // optional
    "default_title": "Action Title",     // optional; shown in tooltip
    "default_popup": "src/popup.html"    // optional
  },
  */

  // http://code.google.com/chrome/extensions/themes.html
  /*
  "theme": {
    "images" : {
      "theme_frame" : "images/theme_frame_camo.png",
      "theme_frame_overlay" : "images/theme_frame_stripe.png",
      "theme_toolbar" : "images/theme_toolbar_camo.png",
      "theme_ntp_background" : "images/theme_ntp_background_norepeat.png",
      "theme_ntp_attribution" : "images/attribution.png"
    },
    "colors" : {
      "frame" : [71, 105, 91],
      "toolbar" : [207, 221, 192],
      "ntp_text" : [20, 40, 0],
      "ntp_link" : [36, 70, 0],
      "ntp_section" : [207, 221, 192],
      "button_background" : [255, 255, 255]
    },
    "tints" : {
      "buttons" : [0.33, 0.5, 0.47]
    },
    "properties" : {
      "ntp_background_alignment" : "bottom"
    }
  }
  */

  // HOSTED APP
  // http://code.google.com/chrome/apps/docs/developers_guide.html
  // NOTE: Hosted apps have limited access to many features in this file
  /*
  "app": {
    "urls": [
      "*://mail.google.com/mail/",
      "*://www.google.com/mail/"
    ],
    "launch": {
      "web_url": "http://mail.google.com/mail/"
    }
  },
  */

  // PACKAGED APP
  // http://code.google.com/chrome/extensions/apps.html
  /*
  "app": {
    "launch": {
      "local_path": "src/main.html"
    }
  },
  */

  //============================================================================
  // PERMISSIONS
  //============================================================================

  // http://code.google.com/chrome/extensions/manifest.html#permissions
  "permissions": [
    "http://mail.google.com/", // Refer to http://goo.gl/CPeqK http://goo.gl/U3Vev
    "https://mail.google.com/", // Refer to http://goo.gl/CPeqK http://goo.gl/U3Vev
    "bookmarks", // http://code.google.com/chrome/extensions/bookmarks.html
    "chrome://favicon/",
    "clipboardRead", // document.execCommand('paste').
    "clipboardWrite", // document.execCommand('copy' OR 'cut')
    "contextMenus", //http:///code.google.com/chrome/extensions/contextMenus.html
    "cookies", // http://code.google.com/chrome/extensions/cookies.html
    // "experimental", // http://code.google.com/chrome/extensions/dev/experimental.html
    "fileBrowserHandler", // http://goo.gl/GqbrP
    "geolocation", // http://dev.w3.org/geo/api/spec-source.html
    "history", // http://code.google.com/chrome/extensions/history.html
    "idle", // http://code.google.com/chrome/extensions/idle.html
    "management", // http://code.google.com/chrome/extensions/management.html
    "notifications", // code.google.com/chrome/extensions/notifications.html
    "tabs", // http://code.google.com/chrome/extensions/tabs.html +windows.html
    "tts", // http://code.google.com/chrome/extensions/tts.html
    "ttsEngine", // http://code.google.com/chrome/extensions/ttsEngine.html
    "unlimitedStorage"
  ],


  //============================================================================
  // CHANGING CHROME'S CHROME
  //============================================================================

  // http://code.google.com/chrome/extensions/omnibox.html
  // "omnibox": { "keyword" : "aaron" },
  // "icons": { "16": "16-full-color.png" }

  // http://code.google.com/chrome/extensions/options.html
  // "options_page": "options.html",

  // http://code.google.com/chrome/extensions/override.html
  // pageToOverride is one of: bookmarks history newtab
  // "chrome_url_overrides" : { "pageToOverride": "myPage.html", } 

  // http://code.google.com/chrome/extensions/dev/experimental.devtools.html
  // Needs "experimental" permission
  // "devtools_page": "devtools.html",

  //============================================================================
  // IMPLEMENTING THE INNARDS OF YOUR EXTENSION
  //============================================================================

  // http://code.google.com/chrome/extensions/background_pages.html */
  // "background_page": "background.html",

  // http://code.google.com/chrome/extensions/content_scripts.html
  
  "content_scripts": [
    {
      "matches": ["https://mail.google.com/*"],
      "css": ["src/contentStyle.css"],
      "js": ["lib/jquery.min.js", "src/contentScript.js"]
    }
  ],
  

  // http://code.google.com/chrome/extensions/npapi.html
  /*
  "plugins": [
    { "path": "content_plugin.dll", "public": true },
    { "path": "extension_plugin.dll" }
  ],
  */

  // The new mandatory manifest version
  "manifest_version": 2

  //============================================================================
  // FINISHING AND DISTRIBUTING YOUR EXTENSION
  //============================================================================

  // http://code.google.com/chrome/extensions/autoupdate.html */
  // "update_url": "http://myhost.com/mytestextension/updates.xml"


}