Remove CSS regions support, keeping a bare minimum to support "region-based" multicol.

LayoutTests/fast/regions/script-tests/css-regions-disabled.js

Index: LayoutTests/fast/regions/script-tests/css-regions-disabled.js
diff --git a/LayoutTests/fast/regions/script-tests/css-regions-disabled.js b/LayoutTests/fast/regions/script-tests/css-regions-disabled.js
deleted file mode 100644
index abfef80b843a85e2dc9800fc2b563ea5f4d29ecb..0000000000000000000000000000000000000000
--- a/LayoutTests/fast/regions/script-tests/css-regions-disabled.js
+++ /dev/null
@@ -1,77 +0,0 @@
-description('Test that parsing of css regions related properties is disabled by default.');
-
-if (window.testRunner)
-    window.testRunner.overridePreference("WebKitCSSRegionsEnabled", "0");
-
-function testWebKitFlowInto(declaration) {
-    var div = document.createElement("div");
-    div.setAttribute("style", declaration);
-    return div.style.webkitFlowInto;
-}
-
-function testWebKitFlowFrom(declaration) {
-    var div = document.createElement("div");
-    div.setAttribute("style", declaration);
-    return div.style.webkitFlowFrom;
-}
-
-function testWebKitRegionFragment(declaration) {
-    var div = document.createElement("div");
-    div.setAttribute("style", declaration);
-    return div.style.webkitRegionFragment;
-}
-
-function testComputedStyleWebKitFlowInto(value) {
-    var div = document.createElement("div");
-    document.body.appendChild(div);
-    div.style.setProperty("-webkit-flow-into", value);
-    var computedValue = getComputedStyle(div).getPropertyValue("-webkit-flow-into");
-    document.body.removeChild(div);
-    return computedValue;
-}
-
-function testComputedStyleWebKitFlowFrom(value) {
-    var div = document.createElement("div");
-    document.body.appendChild(div);
-    div.style.setProperty("-webkit-flow-from", value);
-    var computedValue = getComputedStyle(div).getPropertyValue("-webkit-flow-from");
-    document.body.removeChild(div);
-    return computedValue;
-}
-
-function testComputedStyleWebKitRegionFragment(value) {
-    var div = document.createElement("div");
-    document.body.appendChild(div);
-    div.style.setProperty("-webkit-region-fragment", value);
-    var computedValue = getComputedStyle(div).getPropertyValue("-webkit-region-fragment");
-    document.body.removeChild(div);
-    return computedValue;
-}
-
-shouldBeEqualToString('testWebKitFlowInto("-webkit-flow-into: none")', "");
-shouldBeEqualToString('testWebKitFlowInto("-webkit-flow-into: first-flow")', "");
-shouldBeEqualToString('testComputedStyleWebKitFlowInto("none")', "none");
-shouldBeEqualToString('testComputedStyleWebKitFlowInto("first-flow")', "none");
-
-shouldBeEqualToString('testWebKitFlowFrom("-webkit-flow-from: first-flow")', "");
-shouldBeEqualToString('testWebKitFlowFrom("-webkit-flow-from: none")', "");
-shouldBeEqualToString('testComputedStyleWebKitFlowFrom("first-flow")', "none");
-shouldBeEqualToString('testComputedStyleWebKitFlowFrom("none")', "none");
-
-shouldBeEqualToString('testWebKitRegionFragment("-webkit-region-fragment: auto")', "");
-shouldBeEqualToString('testWebKitRegionFragment("-webkit-region-fragment: break")', "");
-shouldBeEqualToString('testComputedStyleWebKitRegionFragment("auto")', "auto");
-shouldBeEqualToString('testComputedStyleWebKitRegionFragment("break")', "auto");
-
-// Test that region styling rules are not parsed.
-var styleElement = document.createElement("style");
-document.head.appendChild(styleElement);
-var stylesheet = styleElement.sheet;
-webkitRegionRuleIndex = -1;
-try {
-    webkitRegionRuleIndex = stylesheet.insertRule("@-webkit-region #region3 { p { color: red; } }");
-} catch(err) {
-}
-
-shouldBe("webkitRegionRuleIndex", "-1");
-