Merge pull request #4408 from zhengbli/issue4401

Move getElementsByClassName from HTMLElement to Element

Author: zhengbli

src/lib/dom.generated.d.ts

@@ -2916,6 +2916,7 @@ interface Element extends Node, GlobalEventHandlers, ElementTraversal, NodeSelec
     webkitMatchesSelector(selectors: string): boolean;
     webkitRequestFullScreen(): void;
     webkitRequestFullscreen(): void;
+    getElementsByClassName(classNames: string): NodeListOf<Element>;
     addEventListener(type: "MSGestureChange", listener: (ev: MSGestureEvent) => any, useCapture?: boolean): void;
     addEventListener(type: "MSGestureDoubleTap", listener: (ev: MSGestureEvent) => any, useCapture?: boolean): void;
     addEventListener(type: "MSGestureEnd", listener: (ev: MSGestureEvent) => any, useCapture?: boolean): void;
@@ -3903,7 +3904,6 @@ interface HTMLElement extends Element {
     contains(child: HTMLElement): boolean;
     dragDrop(): boolean;
     focus(): void;
-    getElementsByClassName(classNames: string): NodeListOf<Element>;
     insertAdjacentElement(position: string, insertedElement: Element): Element;
     insertAdjacentHTML(where: string, html: string): void;
     insertAdjacentText(where: string, text: string): void;