Migrate more tests from blink repository.

test/webkit/fast/js/string-fontcolor-expected.txt

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-Date.UTC() should apply TimeClip operation according to ECMA-262.
+This is a test case for String.prototype.fontcolor(color).
 
 On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
 
 
-PASS Date.UTC(275760, 8, 12, 23, 59, 59, 999) is 8639999999999999
-PASS Date.UTC(275760, 8, 13) is 8640000000000000
-PASS isNaN(Date.UTC(275760, 8, 13, 0, 0, 0, 1)) is true
-PASS isNaN(Date.UTC(275760, 8, 14)) is true
-PASS Date.UTC(-271821, 3, 20, 0, 0, 0, 1) is -8639999999999999
-PASS Date.UTC(-271821, 3, 20) is -8640000000000000
-PASS isNaN(Date.UTC(-271821, 3, 19, 23, 59, 59, 999)) is true
-PASS isNaN(Date.UTC(-271821, 3, 19)) is true
+PASS '_'.fontcolor('b') is "<font color=\"b\">_</font>"
+PASS '<'.fontcolor('b') is "<font color=\"b\"><</font>"
+PASS '_'.fontcolor(0x2A) is "<font color=\"42\">_</font>"
+PASS '_'.fontcolor('"') is "<font color=\"&quot;\">_</font>"
+PASS '_'.fontcolor('" size="2px') is "<font color=\"&quot; size=&quot;2px\">_</font>"
+PASS String.prototype.fontcolor.call(0x2A, 0x2A) is "<font color=\"42\">42</font>"
+FAIL String.prototype.fontcolor.call(undefined) should throw TypeError: Type error. Was <font color="undefined">undefined</font>.
+FAIL String.prototype.fontcolor.call(null) should throw TypeError: Type error. Was <font color="undefined">null</font>.
+PASS String.prototype.fontcolor.length is 1
 PASS successfullyParsed is true
 
 TEST COMPLETE