Migrate from ElementRef --> {Element|HtmlElement}.

This is a no-op, but avoids indirection, extra allocation, and dynamic calls.

PiperOrigin-RevId: 189416813

Author: matanlurey

lib/material_datepicker/material_date_grid_base.dart

@@ -291,11 +291,14 @@ abstract class ForcedScrollDirectiveHost {
   visibility: Visibility.all,
 )
 class ForcedScrollDirective {
-  final ElementRef _element;
+  final HtmlElement _element;
   final DomService _domService;
 
   ForcedScrollDirective(
-      this._element, this._domService, ForcedScrollDirectiveHost calendar) {
+    this._element,
+    this._domService,
+    ForcedScrollDirectiveHost calendar,
+  ) {
     // Trying to inject this directive into the calendar using @ViewQuery causes
     // the tests' tearDown to fail... so do this nastiness instead.
     // TODO(google): It didn't look like the test bed was doing anything
@@ -305,12 +308,11 @@ class ForcedScrollDirective {
     calendar.attachScroller(this);
   }
 
-  int get height => (_element.nativeElement as HtmlElement).clientHeight;
+  int get height => _element.clientHeight;
 
   void forceScroll(int scrollTop) {
     _domService.scheduleWrite(() {
-      Element elm = _element.nativeElement;
-      elm.scrollTop = scrollTop;
+      _element.scrollTop = scrollTop;
     });
   }
 }

lib/material_datepicker/material_month_picker.dart

@@ -251,9 +251,9 @@ class MaterialMonthPickerComponent implements OnInit, AfterViewInit, OnDestroy {
   }
 
   @ViewChild('container')
-  set container(ElementRef containerRef) {
-    _container = containerRef.nativeElement;
-    _scroller = _container.parent;
+  set container(Element container) {
+    _container = container;
+    _scroller = container.parent;
   }
 
   @override

lib/src/scorecard/scorecard_bar.dart

@@ -46,9 +46,11 @@ class ScorecardBarDirective implements OnInit, OnDestroy, AfterViewChecked {
   int _transform = 0;
   int _buttonSize = 0;
 
-  ScorecardBarDirective(this._domService, ElementRef elementRef,
-      @Optional() @Inject(rtlToken) bool isRtl)
-      : _element = elementRef.nativeElement {
+  ScorecardBarDirective(
+    this._domService,
+    this._element,
+    @Optional() @Inject(rtlToken) bool isRtl,
+  ) {
     _isRtl = isRtl ?? false;
   }