title: Background of chrome manifest 2 json not working
body: <p>I'm doing a chrome app to show twitter search widget. My app works fine with manifest version 1 and using "backgroud_page" I can show my apps main html page well and its working well but with manifest ver 2's new background is not working for me.</p>
  
  <pre><code>"description": "Live",
    "version": "1",
    "manifest_version": 1,
    "app": {
      "launch": {
        "local_path": "index.html"
      }
    },
    "background_page":"index.html",
  
    "icons": {
      "16": "icon16.png",
      "48": "icon48.png",
      "128": "icon128.png"
    }
  </code></pre>
  
  <p>above is working well but the below is not working well</p>
  
  <pre><code>  "description": "Live",
    "version": "1",
    "manifest_version": 2,
    "app": {
      "launch": {
        "local_path": "index.html"
      }
    },
    "background": {
      "pages": "index.html"
    },
    "icons": {
      "16": "icon16.png",
      "48": "icon48.png",
      "128": "icon128.png"
    }
  </code></pre>
  
  <p>With manifest 2, page loads but the java scripts is not loaded. but  manifest 1 works fine.</p>
  
  <p>can u please help me.. how to load that javascript using manifest 2...</p>
  
  <p>please help me..</p>