Implement CSS3TextDecorations runtime flag in favor of CSS3_TEXT

LayoutTests/fast/css3-text/css3-text-decoration/getComputedStyle/script-tests/getComputedStyle-text-decoration-style.js

 function testElementStyle(type, value)
 {
     if (type != null) {
-        shouldBe("e.style.webkitTextDecorationStyle", "'" + value + "'");
-        shouldBe("e.style.getPropertyCSSValue('-webkit-text-decoration-style').toString()", "'" + type + "'");
-        shouldBe("e.style.getPropertyCSSValue('-webkit-text-decoration-style').cssText", "'" + value + "'");
+        shouldBe("e.style.textDecorationStyle", "'" + value + "'");
+        shouldBe("e.style.getPropertyCSSValue('text-decoration-style').toString()", "'" + type + "'");
+        shouldBe("e.style.getPropertyCSSValue('text-decoration-style').cssText", "'" + value + "'");
     } else
-        shouldBeNull("e.style.getPropertyCSSValue('-webkit-text-decoration-style')");
+        shouldBeNull("e.style.getPropertyCSSValue('text-decoration-style')");
 }
 
 function testComputedStyleValue(type, value)
 {
     computedStyle = window.getComputedStyle(e, null);
-    shouldBe("computedStyle.getPropertyCSSValue('-webkit-text-decoration-style').toString()", "'" + type + "'");
-    shouldBe("computedStyle.getPropertyCSSValue('-webkit-text-decoration-style').cssText", "'" + value + "'");
-    shouldBe("computedStyle.webkitTextDecorationStyle", "'" + value + "'");
+    shouldBe("computedStyle.getPropertyCSSValue('text-decoration-style').toString()", "'" + type + "'");
+    shouldBe("computedStyle.getPropertyCSSValue('text-decoration-style').cssText", "'" + value + "'");
+    shouldBe("computedStyle.textDecorationStyle", "'" + value + "'");
 }
 
 function testValue(value, elementValue, elementStyle, computedValue, computedStyle)
 {
     if (value != null)
-        e.style.webkitTextDecorationStyle = value;
+        e.style.textDecorationStyle = value;
     testElementStyle(elementStyle, elementValue);
     testComputedStyleValue(computedStyle, computedValue);
     debug('');
 }
 
-description("Test to make sure -webkit-text-decoration-style property returns CSSPrimitiveValue properly.")
+description("Test to make sure text-decoration-style property returns CSSPrimitiveValue properly.")
 
 var testContainer = document.createElement("div");
 testContainer.contentEditable = true;
 document.body.appendChild(testContainer);
 
-testContainer.innerHTML = '<div id="test-parent" style="-webkit-text-decoration-style: dashed !important;">hello <span id="test-ancestor">world</span></div>';
+testContainer.innerHTML = '<div id="test-parent" style="text-decoration-style: dashed !important;">hello <span id="test-ancestor">world</span></div>';
 debug("Ancestor should not inherit 'dashed' value from parent (fallback to initial 'solid' value):")
 e = document.getElementById('test-ancestor');
 testValue(null, "", null, "solid", "[object CSSPrimitiveValue]");
 
 debug("Parent should cointain 'dashed':");
 e = document.getElementById('test-parent');
 testValue(null, "dashed", "[object CSSPrimitiveValue]", "dashed", "[object CSSPrimitiveValue]");
 
 testContainer.innerHTML = '<div id="test-js">test</div>';
 debug("JavaScript setter tests for valid, initial, invalid and blank values:");
 e = document.getElementById('test-js');
-shouldBeNull("e.style.getPropertyCSSValue('-webkit-text-decoration-style')");
+shouldBeNull("e.style.getPropertyCSSValue('text-decoration-style')");
 
 debug("\nValid value 'solid':");
 testValue("solid", "solid", "[object CSSPrimitiveValue]", "solid", "[object CSSPrimitiveValue]");
 
 debug("Valid value 'double':");
 testValue("double", "double", "[object CSSPrimitiveValue]", "double", "[object CSSPrimitiveValue]");
 
 debug("Valid value 'dotted':");
 testValue("dotted", "dotted", "[object CSSPrimitiveValue]", "dotted", "[object CSSPrimitiveValue]");
 
 debug("Valid value 'dashed':");
 testValue("dashed", "dashed", "[object CSSPrimitiveValue]", "dashed", "[object CSSPrimitiveValue]");
 
 debug("Valid value 'wavy':");
 testValue("wavy", "wavy", "[object CSSPrimitiveValue]", "wavy", "[object CSSPrimitiveValue]");
 
 debug("Initial value:");
 testValue("initial", "initial", "[object CSSValue]", "solid", "[object CSSPrimitiveValue]");
 
 debug("Invalid value (this property accepts one value at a time only):");
 testValue("double dotted", "initial", "[object CSSValue]", "solid", "[object CSSPrimitiveValue]");
 
 debug("Invalid value (ie. 'unknown'):");
 testValue("unknown", "initial", "[object CSSValue]", "solid", "[object CSSPrimitiveValue]");
 
 debug("Empty value (resets the property):");
 testValue("", "", null, "solid", "[object CSSPrimitiveValue]");
 
 document.body.removeChild(testContainer);