diff -ur qtwebengine-opensource-src-5.9.3/src/3rdparty/chromium/components/url_formatter/url_formatter.cc qtwebengine-opensource-src-5.9.3-no-aspirational-scripts/src/3rdparty/chromium/components/url_formatter/url_formatter.cc
--- qtwebengine-opensource-src-5.9.3/src/3rdparty/chromium/components/url_formatter/url_formatter.cc	2017-11-08 20:13:31.000000000 +0100
+++ qtwebengine-opensource-src-5.9.3-no-aspirational-scripts/src/3rdparty/chromium/components/url_formatter/url_formatter.cc	2017-12-02 03:07:07.447476275 +0100
@@ -478,39 +478,6 @@
   const icu::UnicodeSet* inclusion_set = uspoof_getInclusionUnicodeSet(status);
   allowed_set.addAll(*inclusion_set);
 
-  // Five aspirational scripts are taken from UTR 31 Table 6 at
-  // http://www.unicode.org/reports/tr31/#Aspirational_Use_Scripts .
-  // Not all the characters of aspirational scripts are suitable for
-  // identifiers. Therefore, only characters belonging to
-  // [:Identifier_Type=Aspirational:] (listed in 'Status/Type=Aspirational'
-  // section at
-  // http://www.unicode.org/Public/security/latest/xidmodifications.txt) are
-  // are added to the allowed set. The list has to be updated when a new
-  // version of Unicode is released. The current version is 9.0.0 and ICU 60
-  // will have Unicode 10.0 data.
-#if U_ICU_VERSION_MAJOR_NUM < 60
-  const icu::UnicodeSet aspirational_scripts(
-      icu::UnicodeString(
-          // Unified Canadian Syllabics
-          "[\\u1401-\\u166C\\u166F-\\u167F"
-          // Mongolian
-          "\\u1810-\\u1819\\u1820-\\u1877\\u1880-\\u18AA"
-          // Unified Canadian Syllabics
-          "\\u18B0-\\u18F5"
-          // Tifinagh
-          "\\u2D30-\\u2D67\\u2D7F"
-          // Yi
-          "\\uA000-\\uA48C"
-          // Miao
-          "\\U00016F00-\\U00016F44\\U00016F50-\\U00016F7E"
-          "\\U00016F8F-\\U00016F9F]",
-          -1, US_INV),
-      *status);
-  allowed_set.addAll(aspirational_scripts);
-#else
-#error "Update aspirational_scripts per Unicode 10.0"
-#endif
-
   // U+0338 is included in the recommended set, while U+05F4 and U+2027 are in
   // the inclusion set. However, they are blacklisted as a part of Mozilla's
   // IDN blacklist (http://kb.mozillazine.org/Network.IDN.blacklist_chars).
diff -ur qtwebengine-opensource-src-5.9.3/src/3rdparty/chromium/components/url_formatter/url_formatter_unittest.cc qtwebengine-opensource-src-5.9.3-no-aspirational-scripts/src/3rdparty/chromium/components/url_formatter/url_formatter_unittest.cc
--- qtwebengine-opensource-src-5.9.3/src/3rdparty/chromium/components/url_formatter/url_formatter_unittest.cc	2017-11-08 20:13:31.000000000 +0100
+++ qtwebengine-opensource-src-5.9.3-no-aspirational-scripts/src/3rdparty/chromium/components/url_formatter/url_formatter_unittest.cc	2017-12-02 03:08:51.073912562 +0100
@@ -102,22 +102,24 @@
   {"xn---123-kbjl2j0bl2k.in",
     L"\x0939\x093f\x0928\x094d\x0926\x0940-123.in", true},
 
-  // 5 Aspirational scripts
+  // What used to be 5 Aspirational scripts in the earlier versions of UAX 31.
+  // UAX 31 does not define aspirational scripts any more.
+  // See http://www.unicode.org/reports/tr31/#Aspirational_Use_Scripts .
   // Unifieid Canadian Syllabary
-  {"xn--dfe0tte.ca", L"\x1456\x14c2\x14ef.ca", true},
+  {"xn--dfe0tte.ca", L"\x1456\x14c2\x14ef.ca", false},
   // Tifinagh
   {"xn--4ljxa2bb4a6bxb.ma",
-    L"\x2d5c\x2d49\x2d3c\x2d49\x2d4f\x2d30\x2d56.ma", true},
+    L"\x2d5c\x2d49\x2d3c\x2d49\x2d4f\x2d30\x2d56.ma", false},
   // Tifinagh with a disallowed character(U+2D6F)
   {"xn--hmjzaby5d5f.ma", L"\x2d5c\x2d49\x2d3c\x2d6f\x2d49\x2d4f.ma", false},
   // Yi
-  {"xn--4o7a6e1x64c.cn", L"\xa188\xa320\xa071\xa0b7.cn", true},
+  {"xn--4o7a6e1x64c.cn", L"\xa188\xa320\xa071\xa0b7.cn", false},
   // Mongolian - 'ordu' (place, camp)
-  {"xn--56ec8bp.cn", L"\x1823\x1837\x1833\x1824.cn", true},
+  {"xn--56ec8bp.cn", L"\x1823\x1837\x1833\x1824.cn", false},
   // Mongolian with a disallowed character
   {"xn--95e5de3ds.cn", L"\x1823\x1837\x1804\x1833\x1824.cn", false},
   // Miao/Pollad
-  {"xn--2u0fpf0a.cn", L"\U00016f04\U00016f62\U00016f59.cn", true},
+  {"xn--2u0fpf0a.cn", L"\U00016f04\U00016f62\U00016f59.cn", false},
 
   // Script mixing tests
   // The following script combinations are allowed.