Migrate more tests from blink repository.

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

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-Test to ensure correct behaviour of Array.array
+This is a test case for String.prototype.fontsize(size).
 
 On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
 
 
-PASS Array.isArray([]) is true
-PASS Array.isArray(new Array) is true
-PASS Array.isArray(Array()) is true
-PASS Array.isArray('abc'.match(/(a)*/g)) is true
-PASS (function(){ return Array.isArray(arguments); })() is false
-PASS Array.isArray() is false
-PASS Array.isArray(null) is false
-PASS Array.isArray(undefined) is false
-PASS Array.isArray(true) is false
-PASS Array.isArray(false) is false
-PASS Array.isArray('a string') is false
-PASS Array.isArray({}) is false
-PASS Array.isArray({length: 5}) is false
-PASS Array.isArray({__proto__: Array.prototype, length:1, 0:1, 1:2}) is false
+PASS '_'.fontsize('"') is "<font size=\"&quot;\">_</font>"
+PASS '_'.fontsize('b') is "<font size=\"b\">_</font>"
+PASS '<'.fontsize('b') is "<font size=\"b\"><</font>"
+PASS '_'.fontsize(0x2A) is "<font size=\"42\">_</font>"
+PASS '_'.fontsize('"') is "<font size=\"&quot;\">_</font>"
+PASS '_'.fontsize('" color="b') is "<font size=\"&quot; color=&quot;b\">_</font>"
+PASS String.prototype.fontsize.call(0x2A, 0x2A) is "<font size=\"42\">42</font>"
+FAIL String.prototype.fontsize.call(undefined) should throw TypeError: Type error. Was <font size="undefined">undefined</font>.
+FAIL String.prototype.fontsize.call(null) should throw TypeError: Type error. Was <font size="undefined">null</font>.
+PASS String.prototype.fontsize.length is 1
 PASS successfullyParsed is true
 
 TEST COMPLETE