Fix flower.mp4 URLs (#1454)

Author: daohoangson

demo_app/integration_test/auto_resize_test.dart

@@ -11,7 +11,7 @@ void main() {
   patrolTest('VideoPlayer', ($) async {
     final test = _AspectRatioTest(
       child: VideoPlayer(
-        'https://files.daohoangson.com/public/fwfh/flower.mp4',
+        'https://flutter-widget-from-html.github.io/pages/flower.mp4',
         aspectRatio: 1,
         loadingBuilder: (_, __, ___) =>
             const Center(child: CircularProgressIndicator()),

demo_app/lib/screens/hello_world.dart

@@ -131,7 +131,7 @@ const kHtml = '''
 <h4>&lt;VIDEO&gt;</h4>
 <figure>
   <video controls width="250">
-    <source src="https://files.daohoangson.com/public/fwfh/flower.mp4" type="video/mp4">
+    <source src="https://flutter-widget-from-html.github.io/pages/flower.mp4" type="video/mp4">
     <code>VIDEO</code> support is not enabled.
   </video>
   <figcaption>Source: <a href="https://developer.mozilla.org/en-US/docs/Web/HTML/Element/video">developer.mozilla.org</a></figcaption>

demo_app/lib/screens/video.dart

@@ -65,7 +65,7 @@ class _State extends State<VideoScreen> {
                 _html,
                 key: Key(_html),
                 baseUrl: Uri.parse(
-                  'https://files.daohoangson.com/public/fwfh/',
+                  'https://flutter-widget-from-html.github.io/pages/',
                 ),
               ),
             ),

demo_app/test/goldens.json

@@ -98,7 +98,7 @@
   "U": "This is an <u>underline</u> text.",
   "UL": "<ul>\n  <li>One</li>\n  <li>\n    Two\n    <ul>\n      <li>2.1</li>\n      <li>\n        2.2\n        <ul>\n          <li>2.2.1</li>\n          <li>2.2.2</li>\n          <li>2.2.3</li>\n        </ul>\n      </li>\n      <li>2.3</li>\n    </ul>\n  </li>\n  <li>Three</li>\n</ul>",
   "VAR": "<var>x</var> = 1",
-  "VIDEO": "<video controls width=\"250\">\n  <source src=\"https://files.daohoangson.com/public/fwfh/flower.mp4\" type=\"video/mp4\">\n  <code>VIDEO</code> support is not enabled.\n</video>",
+  "VIDEO": "<video controls width=\"250\">\n  <source src=\"https://flutter-widget-from-html.github.io/pages/flower.mp4\" type=\"video/mp4\">\n  <code>VIDEO</code> support is not enabled.\n</video>",
   "attribute/align/center": "<div align=\"center\">Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut non elementum quam. Suspendisse odio diam, maximus pellentesque nunc a, pulvinar facilisis erat. Vivamus a viverra sem. Vivamus vehicula nibh mi, quis ornare orci laoreet vitae. Maecenas sagittis rutrum nisl nec dignissim. Suspendisse cursus est ut ultrices volutpat. Cras vel vestibulum arcu. Curabitur eget molestie nunc. Quisque fringilla quam vitae rhoncus lacinia. Vivamus id laoreet metus. Etiam sed mollis tellus. Vivamus facilisis faucibus libero eu interdum. Pellentesque laoreet magna porta viverra faucibus.</div>",
   "attribute/align/left": "<div align=\"left\">Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut non elementum quam. Suspendisse odio diam, maximus pellentesque nunc a, pulvinar facilisis erat. Vivamus a viverra sem. Vivamus vehicula nibh mi, quis ornare orci laoreet vitae. Maecenas sagittis rutrum nisl nec dignissim. Suspendisse cursus est ut ultrices volutpat. Cras vel vestibulum arcu. Curabitur eget molestie nunc. Quisque fringilla quam vitae rhoncus lacinia. Vivamus id laoreet metus. Etiam sed mollis tellus. Vivamus facilisis faucibus libero eu interdum. Pellentesque laoreet magna porta viverra faucibus.</div>",
   "attribute/align/right": "<div align=\"right\">Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut non elementum quam. Suspendisse odio diam, maximus pellentesque nunc a, pulvinar facilisis erat. Vivamus a viverra sem. Vivamus vehicula nibh mi, quis ornare orci laoreet vitae. Maecenas sagittis rutrum nisl nec dignissim. Suspendisse cursus est ut ultrices volutpat. Cras vel vestibulum arcu. Curabitur eget molestie nunc. Quisque fringilla quam vitae rhoncus lacinia. Vivamus id laoreet metus. Etiam sed mollis tellus. Vivamus facilisis faucibus libero eu interdum. Pellentesque laoreet magna porta viverra faucibus.</div>",

demo_app/test/goldens/VIDEO.png

@@ -19,7 +19,7 @@ class MyApp extends StatelessWidget {
           child: HtmlWidget(
             '''
 <video controls width="250">
-  <source src="https://files.daohoangson.com/public/fwfh/flower.mp4" type="video/mp4">
+  <source src="https://flutter-widget-from-html.github.io/pages/flower.mp4" type="video/mp4">
   <code>VIDEO</code> support is not enabled.
 </video>''',
             factoryBuilder: () => MyWidgetFactory(),