Navigation: Compare domains case-insensitively inside $.mobile.path

Closes gh-7486
Fixes gh-2446

js/navigation/path.js

@@ -154,7 +154,8 @@ define([
 
 			//Returns true if both urls have the same domain.
 			isSameDomain: function( absUrl1, absUrl2 ) {
-				return path.parseUrl( absUrl1 ).domain === path.parseUrl( absUrl2 ).domain;
+				return path.parseUrl( absUrl1 ).domain.toLowerCase() ===
+					path.parseUrl( absUrl2 ).domain.toLowerCase();
 			},
 
 			//Returns true for any relative variant.
@@ -262,7 +263,9 @@ define([
 			//could be mailto, etc
 			isExternal: function( url ) {
 				var u = path.parseUrl( url );
-				return u.protocol && u.domain !== this.documentUrl.domain ? true : false;
+
+				return !!( u.protocol &&
+					( u.domain.toLowerCase() !== this.documentUrl.domain.toLowerCase() ) );
 			},
 
 			hasProtocol: function( url ) {

tests/unit/path/path_core.js

@@ -295,4 +295,34 @@
 		equal( squash("#foo", "http://example.com/?foo=bar&baz=bak"), "http://example.com/?foo=bar&baz=bak#foo", "ui-state keys attached to simple string hashes are preserved" );
 
 	});
+
+	test( "isSameDomain() compares domains case-insensitively", function() {
+		deepEqual(
+			$.mobile.path.isSameDomain(
+				"http://example.com/path/to/filename.html",
+				"http://EXAmPLE.cOm/path/to/filename.html" ),
+			true,
+			"Domain comparison was case-insensitive" );
+	});
+
+( function() {
+
+	var originalDocumentUrl,
+		path = $.mobile.path;
+
+	module( "$.mobile.path.isExternal()", {
+		setup: function() {
+			originalDocumentUrl = path.documentUrl;
+			path.documentUrl = path.parseUrl( "http://example.com/path/to/filename.html" );
+		},
+		teardown: function() {
+			path.documentUrl = originalDocumentUrl;
+		}
+	});
+
+	test( "$.mobile.path.isExternal() compares domains case-insensitively", function() {
+		deepEqual( path.isExternal( "http://EXAmPLE.CoM/path/to/other-filename.html" ), false,
+			"Domain comparison was case-insensitive" );
+	});
+})();
 })(jQuery);