Adds aliases for renamed HTML elements (microsoft#108)

* Adds aliases for re-named HTML elements

* Baselines

* Deprecate properly and only do it on the right scope

* Delete deprecatedInterfaceAliases.json

Author: orta

baselines/dom.generated.d.ts

@@ -8315,6 +8315,14 @@ declare var HTMLTableColElement: {
     new(): HTMLTableColElement;
 };
 
+/** @deprecated - prefer HTMLTableCellElement */
+interface HTMLTableDataCellElement extends HTMLTableCellElement {
+    addEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLTableDataCellElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
+    addEventListener(type: string, listener: EventListener, options?: boolean | AddEventListenerOptions): void;
+    removeEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLTableDataCellElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
+    removeEventListener(type: string, listener: EventListener, options?: boolean | EventListenerOptions): void;
+}
+
 /** Provides special properties and methods (beyond the regular HTMLElement object interface it also has available to it by inheritance) for manipulating the layout and presentation of tables in an HTML document. */
 interface HTMLTableElement extends HTMLElement {
     /**
@@ -8428,6 +8436,14 @@ declare var HTMLTableElement: {
     new(): HTMLTableElement;
 };
 
+/** @deprecated - prefer HTMLTableCellElement */
+interface HTMLTableHeaderCellElement extends HTMLTableCellElement {
+    addEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLTableHeaderCellElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | AddEventListenerOptions): void;
+    addEventListener(type: string, listener: EventListener, options?: boolean | AddEventListenerOptions): void;
+    removeEventListener<K extends keyof HTMLElementEventMap>(type: K, listener: (this: HTMLTableHeaderCellElement, ev: HTMLElementEventMap[K]) => any, options?: boolean | EventListenerOptions): void;
+    removeEventListener(type: string, listener: EventListener, options?: boolean | EventListenerOptions): void;
+}
+
 /** Provides special properties and methods (beyond the HTMLElement interface it also has available to it by inheritance) for manipulating the layout and presentation of rows in an HTML table. */
 interface HTMLTableRowElement extends HTMLElement {
     /**

inputfiles/addedTypes.json

@@ -282,6 +282,20 @@
                     }
                 }
             },
+            "HTMLTableDataCellElement": {
+                "name": "HTMLTableDataCellElement",
+                "extends": "HTMLTableCellElement",
+                "noInterfaceObject": true,
+                "comment": "@deprecated - prefer HTMLTableCellElement",
+                "exposed": "Window"
+            },
+            "HTMLTableHeaderCellElement": {
+                "name": "HTMLTableHeaderCellElement",
+                "extends": "HTMLTableCellElement",
+                "noInterfaceObject": true,
+                "comment": "@deprecated - prefer HTMLTableCellElement",
+                "exposed": "Window"
+            },
             "HTMLMediaElement": {
                 "events": {
                     "event": [