title: "Refused to load the image" in a Chrome App
body: <p>I have this problem in dart</p>
  
  <blockquote>
    <p>Refused to load the image 'https://**.png' because it violates the
    following Content Security Policy directive: "img-src 'self' data:
    chrome-extension-resource:".</p>
  </blockquote>
  
  <p>when try to set src in image element</p>
  
  <pre><code>ImageButtonInputElement button = new ImageButtonInputElement();
  button.className="button_element";
  button.src=el["imageUrl"]; //like "https://**.png"
  </code></pre>
  
  <p>whit this manifest.json</p>
  
  <pre><code>"content_security_policy":"img-src https://server.example.org"
  </code></pre>
  
  <p>Someone would know help me? </p>
  
  <p>Thanks</p>
  
  <p>Sorry for my bad English</p>
  
  <p><strong>EDIT</strong></p>
  
  <p>I have the same problem with</p>
  
  <pre><code>&lt;iframe id="iframe" src="https://server.example.org/example.html"&gt;&lt;/iframe&gt;
  </code></pre>
  
  <blockquote>
    <p>Refused to frame
    <a href="https://server.example.org/example.html" rel="nofollow">https://server.example.org/example.html</a>
    because it violates the following Content Security Policy directive:
    "frame-src 'self' data: chrome-extension-resource:".</p>
  </blockquote>