HTML5 Media Rate Controller

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "HTML5 Media Rate Controller",
  "short_name": "MRC",
  "description": "HTML5 Media Rate Controller allows changing video and audio playback rate or time giving you control over media in your browser.",
  "version": "1.0.1",
  "icons": {
    "16": "icon-16x16.png",
    "48": "icon-48x48.png",
    "128": "icon-128x128.png"
  },
  "browser_action": {
    "default_icon": "icon-48x48.png",
    "default_popup": "popup.html"
  },
  "permissions": [
    "activeTab",
    "<all_urls>"
  ],
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content_main.js"
      ],
      "all_frames": true
    }
  ],
  "commands": {
    "toggle-feature-foo": {
      "suggested_key": {
        "default": "Ctrl+Shift+Y",
        "mac": "Command+Shift+Y"
      },
      "description": "Toggle feature foo"
    }
  }
}