build: update to MDC 3.0.0

Bumps the repo to `[email protected]` and fixes a compilation error that showed up as a result.

Author: crisbeto

package.json

@@ -36,7 +36,7 @@
   },
   "version": "8.0.2",
   "requiredAngularVersion": "^8.0.0 || ^9.0.0-0",
-  "requiredMDCVersion": "^2.3.1",
+  "requiredMDCVersion": "^3.0.0",
   "dependencies": {
     "@angular/animations": "^8.1.0",
     "@angular/common": "^8.1.0",
@@ -47,7 +47,7 @@
     "@angular/platform-browser": "^8.1.0",
     "@webcomponents/custom-elements": "^1.1.0",
     "core-js": "^2.6.1",
-    "material-components-web": "^2.3.1",
+    "material-components-web": "^3.0.0",
     "rxjs": "^6.4.0",
     "systemjs": "0.19.43",
     "tsickle": "^0.35.0",

src/material-experimental/mdc-chips/chip.ts

@@ -256,6 +256,9 @@ export class MatChip extends _MatChipMixinBase implements AfterContentInit, Afte
       this._elementRef.nativeElement.style.setProperty(propertyName, value);
     },
     hasLeadingIcon: () => { return !!this.leadingIcon; },
+    setAttr: (name: string, value: string) => {
+      this._elementRef.nativeElement.setAttribute(name, value);
+    },
     // The 2 functions below are used by the MDC ripple, which we aren't using,
     // so they will never be called
     getRootBoundingClientRect: () => this._elementRef.nativeElement.getBoundingClientRect(),