Shortcuts for video acceleration

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Shortcuts for video acceleration",
  "description": "Allows to natively specify shortcuts for speed up or slow down active video",
  "version": "1.0",
  "manifest_version": 2,
  "icons": {
    "16": "images/video-accelerator-16px.png",
    "32": "images/video-accelerator-32px.png",
    "64": "images/video-accelerator-64px.png",
    "128": "images/video-accelerator-128px.png",
    "256": "images/video-accelerator-256px.png",
    "512": "images/video-accelerator-512px.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "js": [
        "contentScript.js"
      ],
      "all_frames": true
    }
  ],
  "browser_action": {
    "default_title": "Open hotkeys bindings"
  },
  "permissions": [
    "tabs"
  ],
  "commands": {
    "video-speed-up": {
      "description": "Speed up active video",
      "suggested_key": {
        "default": "Alt+Up"
      }
    },
    "video-slow-down": {
      "description": "Slow down active video",
      "suggested_key": {
        "default": "Alt+Down"
      }
    },
    "video-reset-speed": {
      "description": "Reset playback speed",
      "suggested_key": {
        "default": "Alt+Shift+Down"
      }
    },
    "video-max-speed": {
      "description": "Maximize playback speed",
      "suggested_key": {
        "default": "Alt+Shift+Up"
      }
    }
  }
}