Few minor changes to sta.js and sth.js to support Strict Mode.

Renamed move_test.py to FixTestCasePlacement.py. Still a work in progress.

test/harness/sta.js

@@ -141,10 +141,22 @@ SimpleTestAPIs.push(fnSupportsStrict);
 
 //-----------------------------------------------------------------------------
 function fnGlobalObject() {
-    return (function() { return this }).call(null);
+     return Function("return this")();
 }
 SimpleTestAPIs.push(fnGlobalObject);
 
+//-----------------------------------------------------------------------------
+function fnSupportsStrict() {
+    "use strict";
+    try { 
+        eval('with ({}) {}'); 
+        return false;
+    } catch (e) { 
+        return true;
+    }
+}
+SimpleTestAPIs.push(fnSupportsStrict);
+
 //-----------------------------------------------------------------------------
 //Verify all attributes specified data property of given object: value, writable, enumerable, configurable
 //If all attribute values are expected, return true, otherwise, return false

test/harness/sth.js

@@ -129,7 +129,8 @@ function BrowserRunner() {
                     "  if(test.precondition && !test.precondition()) {" +
                     "    testRun(test.id, test.path, test.description, test.test.toString(),typeof test.precondition !== 'undefined' ? test.precondition.toString() : '', 'fail', 'Precondition Failed');" +
                     "  } else {" +
-                    "    try { var res = test.test.call(window); } catch(e) { res = 'fail'; error = e; }" +
+                    "    var testThis = test.strict===undefined ? window : undefined;" +
+                    "    try { var res = test.test.call(testThis); } catch(e) { res = 'fail'; error = e; }" +
                     "    var retVal = /^s/i.test(test.id) ? (res === true || typeof res === 'undefined' ? 'pass' : 'fail') : (res === true ? 'pass' : 'fail');" +
                     "    testRun(test.id, test.path, test.description, test.test.toString(), typeof test.precondition !== 'undefined' ? test.precondition.toString() : '', retVal, error);" +
                     "  }" +