Auto merge of #16989 - servo:packets, r=nox

Decode UTF-8 code points across network packets

<s>Depends on https://github.com/servo/html5ever/pull/272</s>

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tests/unit/style/Cargo.toml

@@ -17,7 +17,7 @@ byteorder = "1.0"
 app_units = "0.4.1"
 cssparser = "0.13.3"
 euclid = "0.11"
-html5ever = "0.16"
+html5ever = "0.17"
 parking_lot = "0.3"
 rayon = "0.7"
 rustc-serialize = "0.3"

tests/wpt/metadata-css/css-text-3_dev/html/seg-break-transformation-006.htm.ini

@@ -1,5 +0,0 @@
-[seg-break-transformation-006.htm]
-  type: testharness
-  [spaces linebreak]
-    expected: FAIL
-

tests/wpt/metadata-css/css-text-3_dev/html/word-break-break-all-006.htm.ini

@@ -1,3 +0,0 @@
-[word-break-break-all-006.htm]
-  type: reftest
-  expected: FAIL

tests/wpt/metadata/html/browsers/history/the-location-interface/location-protocol-setter.html.ini

@@ -153,3 +153,6 @@
   [Equivalent tests for data URL and srcdoc <iframe>s]
     expected: FAIL
 
+  [%E2%80%A0x (percent-encoded) is not a scheme]
+    expected: FAIL
+