Revert "Update the tests (ISO-8859-1 => windows-1252)"

Source/wtf/text/TextCodecLatin1.cpp

Index: Source/wtf/text/TextCodecLatin1.cpp
diff --git a/Source/wtf/text/TextCodecLatin1.cpp b/Source/wtf/text/TextCodecLatin1.cpp
index 98ebe6cf0dd7fa14ccefa93ecf2a3022c5f721a4..6a0c60962f2f54dd0ddca24632ff7a9cba6d21ce 100644
--- a/Source/wtf/text/TextCodecLatin1.cpp
+++ b/Source/wtf/text/TextCodecLatin1.cpp
@@ -73,24 +73,35 @@ static const UChar table[256] = {
 
 void TextCodecLatin1::registerEncodingNames(EncodingNameRegistrar registrar)
 {
-    // Taken from the alias table at https://encoding.spec.whatwg.org/
     registrar("windows-1252", "windows-1252");
-    registrar("ANSI_X3.4-1968", "windows-1252");
-    registrar("ASCII", "windows-1252");
-    registrar("cp1252", "windows-1252");
-    registrar("cp819", "windows-1252");
-    registrar("csISOLatin1", "windows-1252");
-    registrar("IBM819", "windows-1252");
-    registrar("ISO-8859-1", "windows-1252");
-    registrar("iso-ir-100", "windows-1252");
-    registrar("iso8859-1", "windows-1252");
-    registrar("iso88591", "windows-1252");
-    registrar("iso_8859-1", "windows-1252");
-    registrar("iso_8859-1:1987", "windows-1252");
-    registrar("l1", "windows-1252");
-    registrar("latin1", "windows-1252");
-    registrar("US-ASCII", "windows-1252");
-    registrar("x-cp1252", "windows-1252");
+    registrar("ISO-8859-1", "ISO-8859-1");
+    registrar("US-ASCII", "US-ASCII");
+
+    registrar("WinLatin1", "windows-1252");
+    registrar("ibm-1252", "windows-1252");
+    registrar("ibm-1252_P100-2000", "windows-1252");
+
+    registrar("CP819", "ISO-8859-1");
+    registrar("IBM819", "ISO-8859-1");
+    registrar("csISOLatin1", "ISO-8859-1");
+    registrar("iso-ir-100", "ISO-8859-1");
+    registrar("iso_8859-1:1987", "ISO-8859-1");
+    registrar("l1", "ISO-8859-1");
+    registrar("latin1", "ISO-8859-1");
+
+    registrar("ANSI_X3.4-1968", "US-ASCII");
+    registrar("ANSI_X3.4-1986", "US-ASCII");
+    registrar("ASCII", "US-ASCII");
+    registrar("IBM367", "US-ASCII");
+    registrar("ISO646-US", "US-ASCII");
+    registrar("ISO_646.irv:1991", "US-ASCII");
+    registrar("cp367", "US-ASCII");
+    registrar("csASCII", "US-ASCII");
+    registrar("ibm-367_P100-1995", "US-ASCII");
+    registrar("iso-ir-6", "US-ASCII");
+    registrar("iso-ir-6-us", "US-ASCII");
+    registrar("us", "US-ASCII");
+    registrar("x-ansi", "US-ASCII");
 }
 
 static PassOwnPtr<TextCodec> newStreamingTextDecoderWindowsLatin1(const TextEncoding&, const void*)