refactor: avoid casting document to any

src/cdk/bidi/directionality.ts

@@ -25,7 +25,7 @@ export class Directionality {
   /** Stream that emits whenever the 'ltr' / 'rtl' state changes. */
   readonly change = new EventEmitter<Direction>();
 
-  constructor(@Optional() @Inject(DIR_DOCUMENT) _document?: any) {
+  constructor(@Optional() @Inject(DIR_DOCUMENT) _document?: Document) {
     if (_document) {
       // TODO: handle 'auto' value -
       // We still need to account for dir="auto".

src/cdk/overlay/keyboard/overlay-keyboard-dispatcher.ts

@@ -105,7 +105,6 @@ export const OVERLAY_KEYBOARD_DISPATCHER_PROVIDER = {
   provide: OverlayKeyboardDispatcher,
   deps: [
     [new Optional(), new SkipSelf(), OverlayKeyboardDispatcher],
-
     // Coerce to `InjectionToken` so that the `deps` match the "shape"
     // of the type expected by Angular
     DOCUMENT as InjectionToken<Document>

src/cdk/overlay/overlay-container.ts

@@ -67,7 +67,8 @@ export const OVERLAY_CONTAINER_PROVIDER = {
   provide: OverlayContainer,
   deps: [
     [new Optional(), new SkipSelf(), OverlayContainer],
-    // We need to use the InjectionToken somewhere to keep TS happy
+    // Coerce to `InjectionToken` so that the `deps` match the "shape"
+    // of the type expected by Angular
     DOCUMENT as InjectionToken<Document>
   ],
   useFactory: OVERLAY_CONTAINER_PROVIDER_FACTORY

src/lib/icon/icon-registry.ts

@@ -16,7 +16,7 @@ import {
   SecurityContext,
   SkipSelf,
 } from '@angular/core';
-import {DomSanitizer, SafeResourceUrl, SafeHtml} from '@angular/platform-browser';
+import {DomSanitizer, SafeHtml, SafeResourceUrl} from '@angular/platform-browser';
 import {forkJoin, Observable, of as observableOf, throwError as observableThrow} from 'rxjs';
 import {catchError, finalize, map, share, tap} from 'rxjs/operators';
 
@@ -601,7 +601,9 @@ export const ICON_REGISTRY_PROVIDER = {
     [new Optional(), new SkipSelf(), MatIconRegistry],
     [new Optional(), HttpClient],
     DomSanitizer,
-    [new Optional(), DOCUMENT as InjectionToken<any>],
+    // Coerce to `InjectionToken` so that the `deps` match the "shape"
+    // of the type expected by Angular
+    [new Optional(), DOCUMENT as InjectionToken<Document>],
   ],
   useFactory: ICON_REGISTRY_PROVIDER_FACTORY,
 };

src/lib/menu/menu-item.ts

@@ -56,7 +56,7 @@ export const _MatMenuItemMixinBase = mixinDisableRipple(mixinDisabled(MatMenuIte
 export class MatMenuItem extends _MatMenuItemMixinBase
     implements FocusableOption, CanDisable, CanDisableRipple, OnDestroy {
 
-  private _document: Document;
+  private _document?: Document;
 
   /** Stream that emits when the menu item is hovered. */
   readonly _hovered: Subject<MatMenuItem> = new Subject<MatMenuItem>();
@@ -69,10 +69,12 @@ export class MatMenuItem extends _MatMenuItemMixinBase
 
   constructor(
     private _elementRef: ElementRef,
-    @Inject(DOCUMENT) document?: any,
+    // TODO: make the document required when doing breaking changes.
+    // @deletion-target 7.0.0
+    @Inject(DOCUMENT) document?: Document,
+    // TODO: make the _focusMonitor required when doing breaking changes.
+    // @deletion-target 7.0.0
     private _focusMonitor?: FocusMonitor) {
-
-    // @deletion-target 7.0.0 make `_focusMonitor` and `document` required params.
     super();
 
     if (_focusMonitor) {

src/lib/toolbar/toolbar.ts

@@ -52,18 +52,19 @@ export class MatToolbarRow {}
   encapsulation: ViewEncapsulation.None,
 })
 export class MatToolbar extends _MatToolbarMixinBase implements CanColor, AfterViewInit {
-  private _document: Document;
+  private _document?: Document;
 
   /** Reference to all toolbar row elements that have been projected. */
   @ContentChildren(MatToolbarRow) _toolbarRows: QueryList<MatToolbarRow>;
 
   constructor(
     elementRef: ElementRef,
     private _platform: Platform,
-    @Inject(DOCUMENT) document?: any) {
+    // TODO: make the document required when doing breaking changes.
+    // @deletion-target 7.0.0
+    @Inject(DOCUMENT) document?: Document) {
     super(elementRef);
 
-    // TODO: make the document a required param when doing breaking changes.
     this._document = document;
   }