Update web-platform-tests

third_party/WebKit/LayoutTests/imported/wpt/encoding/textdecoder-streaming.html

Index: third_party/WebKit/LayoutTests/imported/wpt/encoding/textdecoder-streaming.html
diff --git a/third_party/WebKit/LayoutTests/imported/wpt/encoding/textdecoder-streaming.html b/third_party/WebKit/LayoutTests/imported/wpt/encoding/textdecoder-streaming.html
index 211b3c00918c125bb688b1928c7532eb309db515..2b567aaa1e12914f696bc43801f4f9b636125f09 100644
--- a/third_party/WebKit/LayoutTests/imported/wpt/encoding/textdecoder-streaming.html
+++ b/third_party/WebKit/LayoutTests/imported/wpt/encoding/textdecoder-streaming.html
@@ -7,6 +7,9 @@
 
 var string = '\x00123ABCabc\x80\xFF\u0100\u1000\uFFFD\uD800\uDC00\uDBFF\uDFFF';
 var octets = {
+    'utf-8':    [0x00,0x31,0x32,0x33,0x41,0x42,0x43,0x61,0x62,0x63,0xc2,0x80,
+                 0xc3,0xbf,0xc4,0x80,0xe1,0x80,0x80,0xef,0xbf,0xbd,0xf0,0x90,
+                 0x80,0x80,0xf4,0x8f,0xbf,0xbf],
     'utf-16le': [0x00,0x00,0x31,0x00,0x32,0x00,0x33,0x00,0x41,0x00,0x42,0x00,
                  0x43,0x00,0x61,0x00,0x62,0x00,0x63,0x00,0x80,0x00,0xFF,0x00,
                  0x00,0x01,0x00,0x10,0xFD,0xFF,0x00,0xD8,0x00,0xDC,0xFF,0xDB,
@@ -17,11 +20,10 @@ var octets = {
                  0xDF,0xFF]
 };
 
-utf_encodings.forEach(function (encoding) {
+Object.keys(octets).forEach(function(encoding) {
     for (var len = 1; len <= 5; ++len) {
         test(function() {
-            var encoded = octets[encoding] ||
-                          new TextEncoder(encoding).encode(string);
+            var encoded = octets[encoding];
 
             var out = '';
             var decoder = new TextDecoder(encoding);