Core: Remove IE-specific support tests, rely on document.documentMode

Also, update some tests to IE-sniff when deciding whether
to skip a test.

Fixes gh-4386
Closes gh-4387

1 files changed, 0 insertions, 60 deletions

diff --git a/src/css/support.js b/src/css/support.js
deleted file mode 100644
index 65763baec..000000000
--- a/src/css/support.js
+++ /dev/null
@@ -1,60 +0,0 @@
-define( [
-	"../core",
-	"../var/document",
-	"../var/documentElement",
-	"../var/support"
-], function( jQuery, document, documentElement, support ) {
-
-"use strict";
-
-( function() {
-
-	var boxSizingReliableVal,
-		container = document.createElement( "div" ),
-		div = document.createElement( "div" );
-
-	// Finish early in limited (non-browser) environments
-	if ( !div.style ) {
-		return;
-	}
-
-	// Support: IE <=9 - 11+
-	// Style of cloned element affects source element cloned (#8908)
-	div.style.backgroundClip = "content-box";
-	div.cloneNode( true ).style.backgroundClip = "";
-	support.clearCloneStyle = div.style.backgroundClip === "content-box";
-
-	jQuery.extend( support, {
-		boxSizingReliable: function() {
-
-			// This is a singleton, we need to execute it only once
-			if ( div ) {
-				container.style.cssText = "position:absolute;left:-11111px;width:60px;" +
-					"margin-top:1px;padding:0;border:0";
-				div.style.cssText =
-					"position:relative;display:block;box-sizing:border-box;overflow:scroll;" +
-					"margin:auto;border:1px;padding:1px;" +
-					"width:60%;top:1%";
-				documentElement.appendChild( container ).appendChild( div );
-
-				var divStyle = window.getComputedStyle( div );
-
-				// Support: IE 9 - 11+
-				// Detect misreporting of content dimensions for box-sizing:border-box elements
-				boxSizingReliableVal = Math.round( parseFloat( divStyle.width ) ) === 36;
-
-				documentElement.removeChild( container );
-
-				// Nullify the div so it wouldn't be stored in the memory and
-				// it will also be a sign that checks already performed
-				div = null;
-			}
-
-			return boxSizingReliableVal;
-		}
-	} );
-} )();
-
-return support;
-
-} );