WIP: Move 'Upgrade-Insecure-Requests' to the browser process.

third_party/WebKit/LayoutTests/http/tests/security/upgrade-insecure-requests/resources/testharness-helper.js

+const Host = {
+  SAME_ORIGIN: "same-origin",
+  CROSS_ORIGIN: "cross-origin",
+};
+
+const Protocol = {
+  INSECURE: "insecure",
+  SECURE: "secure",
+};
+
+const ResourceType = {
+  IMAGE: "image",
+  FRAME: "frame",
+};
+
+// These tests rely on some unintuitive cleverness due to Blink's test setup:
+// 'Upgrade-Insecure-Requests' does not upgrade the port number, so we use URLs
+// in the form `http://[domain]:8443`. If the upgrade fails, the load will fail,
+// as we don't serve HTTP over port 8443.
+function generateURL(host, protocol, resourceType) {
+  var url = new URL("http://127.0.0.1:8443/security/resources/");
+  url.protocol = protocol == Protocol.INSECURE ? "http" : "https";
+  url.hostname = host == Host.SAME_ORIGIN ? "127.0.0.1" : "example.test";
+  if (resourceType == ResourceType.IMAGE)
+    url.pathname += "abe.png";
+  else if (resourceType == ResourceType.FRAME)
+    url.pathname += "post-origin-to-parent.html";
+  return {
+    name: protocol + "/" + host + " "  + resourceType,
+    url: url.toString()
+  };
+}
+
+function generateRedirect(host, protocol, target) {
+  var url = "http://127.0.0.1:8443/security/resources/redir.php?url=" + encodeURIComponent(target.url);
+  url.protocol = protocol == Protocol.INSECURE ? "http" : "https";
+  url.hostname = host == Host.SAME_ORIGIN ? "127.0.0.1" : "example.test";
+  return {
+    name: protocol + "/" + host + " => " + target.name,
+    url: url.toString()
+  };
+}
+
+function assert_image_loads(test, url, height, width) {
+  var i = document.createElement('img');
+  i.onload = test.step_func_done(_ => {
+    assert_equals(i.naturalHeight, height, "Height.");
+    assert_equals(i.naturalWidth, width, "Width.");
+  });
+  i.onerror = test.unreached_func(url + " should load successfully.");
+  i.src = url;
+}
+
+function assert_image_loads_in_srcdoc(test, url, height, width) {
+  var frame = document.createElement('iframe');
+  frame.srcdoc = "yay!";
+  frame.onload = _ => {
+    var i = frame.contentDocument.createElement('img');
+    i.onload = test.step_func_done(_ => {
+      assert_equals(i.naturalHeight, height, "Height.");
+      assert_equals(i.naturalWidth, width, "Width.");
+    });
+    i.onerror = test.unreached_func(url + " should load successfully.");
+    i.src = url;
+  };
+
+  document.body.appendChild(frame);
+}
+
+function assert_image_loads_in_blank(test, url, height, width) {
+  var frame = document.createElement('iframe');
+  frame.onload = _ => {
+    var i = frame.contentDocument.createElement('img');
+    i.onload = test.step_func_done(_ => {
+      assert_equals(i.naturalHeight, height, "Height.");
+      assert_equals(i.naturalWidth, width, "Width.");
+    });
+    i.onerror = test.unreached_func(url + " should load successfully.");
+    i.src = url;
+  };
+
+  document.body.appendChild(frame);
+}
+
+function assert_frame_loads(test, url) {
+  var i = document.createElement('iframe');
+
+  window.addEventListener('message', test.step_func(e => {
+    if (e.source == i.contentWindow) {
+      test.done();
+    }
+  }));
+
+  i.src = url;
+  document.body.appendChild(i);
+}