Import Cobalt 19.master.0.203780

Includes the following patches:
  https://cobalt-review.googlesource.com/c/cobalt/+/5210
    by errong.leng@samsung.com
  https://cobalt-review.googlesource.com/c/cobalt/+/5270
    by linus.wang@samsung.com
diff --git a/src/third_party/web_platform_tests/eventsource/format-newlines.htm b/src/third_party/web_platform_tests/eventsource/format-newlines.htm
new file mode 100644
index 0000000..87d6a56
--- /dev/null
+++ b/src/third_party/web_platform_tests/eventsource/format-newlines.htm
@@ -0,0 +1,25 @@
+<!doctype html>
+<html>
+  <head>
+    <title>EventSource: newline fest</title>
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+  </head>
+  <body>
+    <div id="log"></div>
+    <script>
+      var test = async_test()
+      test.step(function() {
+        var source = new EventSource("resources/message.py?message=data%3Atest%0D%0Adata%0Adata%3Atest%0D%0A%0D&newline=none")
+        source.onmessage = function(e) {
+          test.step(function() {
+            assert_equals("test\n\ntest", e.data)
+            source.close()
+          })
+          test.done()
+        }
+      })
+    </script>
+  </body>
+</html>
+