Import wpt@09907a9c4bcee14986431d53e4381384c7c69107

third_party/WebKit/LayoutTests/imported/wpt/fullscreen/trusted-click.js

+// Invokes callback from a trusted click event, to satisfy
+// https://html.spec.whatwg.org/#triggered-by-user-activation
+function trusted_click(callback, container)
+{
+    var document = container.ownerDocument;
+    var button = document.createElement("button");
+    button.textContent = "click to continue test";
+    button.style.display = "block";
+    button.style.fontSize = "20px";
+    button.style.padding = "10px";
+    button.onclick = function()
+    {
+        callback();
+        container.removeChild(button);
+    };
+    container.appendChild(button);
+}
+
+// Invokes element.requestFullscreen() from a trusted click.
+function trusted_request(element, container)
+{
+    var request = element.requestFullscreen.bind(element);
+    trusted_click(request, container || element.parentNode);
+}