Continue removing testing of getPropertyCSSValue

LayoutTests/fast/css/inherited-properties-explicit.html

Index: LayoutTests/fast/css/inherited-properties-explicit.html
diff --git a/LayoutTests/fast/css/inherited-properties-explicit.html b/LayoutTests/fast/css/inherited-properties-explicit.html
index acab2de280ff7ad8fb27707b8ca7bf851c87fca5..0d624d11e398c692ea3fc8ffa708b14e5acf8385 100644
--- a/LayoutTests/fast/css/inherited-properties-explicit.html
+++ b/LayoutTests/fast/css/inherited-properties-explicit.html
@@ -38,13 +38,12 @@ Test that the matched declaration cache handles explicitly inherited properties
 <script>
 function test(e, p) {
     var testDiv = document.getElementById(e);
-    var cssValue = window.getComputedStyle(testDiv).getPropertyCSSValue(p);
-    return cssValue.cssText;
+    return getComputedStyle(testDiv).marginLeft;
 }
-shouldBeEqualToString("test('test1a', 'margin-left')", "0px");
-shouldBeEqualToString("test('test1b', 'margin-left')", "0px");
-shouldBeEqualToString("test('test2a', 'margin-left')", "5px");
-shouldBeEqualToString("test('test2b', 'margin-left')", "5px");
-shouldBeEqualToString("test('test3a', 'margin-left')", "10px");
-shouldBeEqualToString("test('test3b', 'margin-left')", "10px");
+shouldBeEqualToString("test('test1a')", "0px");
+shouldBeEqualToString("test('test1b')", "0px");
+shouldBeEqualToString("test('test2a')", "5px");
+shouldBeEqualToString("test('test2b')", "5px");
+shouldBeEqualToString("test('test3a')", "10px");
+shouldBeEqualToString("test('test3b')", "10px");
 </script>