refactor(select): use mixin for disableRipple behavior (#8847)

Switches `mat-select` to the common `disableRipple` mixin rather than re-implementing it.

Author: crisbeto

src/lib/select/select.ts

@@ -5,7 +5,6 @@
  * Use of this source code is governed by an MIT-style license that can be
  * found in the LICENSE file at https://angular.io/license
  */
-
 import {ActiveDescendantKeyManager} from '@angular/cdk/a11y';
 import {Directionality} from '@angular/cdk/bidi';
 import {coerceBooleanProperty} from '@angular/cdk/coercion';
@@ -69,6 +68,8 @@ import {
   mixinDisabled,
   mixinTabIndex,
   MAT_OPTION_PARENT_COMPONENT,
+  mixinDisableRipple,
+  CanDisableRipple,
 } from '@angular/material/core';
 import {MatFormField, MatFormFieldControl} from '@angular/material/form-field';
 import {Observable} from 'rxjs/Observable';
@@ -153,7 +154,8 @@ export class MatSelectBase {
               public _parentFormGroup: FormGroupDirective,
               public ngControl: NgControl) {}
 }
-export const _MatSelectMixinBase = mixinTabIndex(mixinDisabled(mixinErrorState(MatSelectBase)));
+export const _MatSelectMixinBase = mixinDisableRipple(
+    mixinTabIndex(mixinDisabled(mixinErrorState(MatSelectBase))));
 
 
 /**
@@ -171,7 +173,7 @@ export class MatSelectTrigger {}
   exportAs: 'matSelect',
   templateUrl: 'select.html',
   styleUrls: ['select.css'],
-  inputs: ['disabled', 'tabIndex'],
+  inputs: ['disabled', 'disableRipple', 'tabIndex'],
   encapsulation: ViewEncapsulation.None,
   preserveWhitespaces: false,
   changeDetection: ChangeDetectionStrategy.OnPush,
@@ -207,7 +209,7 @@ export class MatSelectTrigger {}
 })
 export class MatSelect extends _MatSelectMixinBase implements AfterContentInit, OnChanges,
     OnDestroy, OnInit, DoCheck, ControlValueAccessor, CanDisable, HasTabIndex,
-    MatFormFieldControl<any>, CanUpdateErrorState {
+    MatFormFieldControl<any>, CanUpdateErrorState, CanDisableRipple {
   /** Whether or not the overlay panel is open. */
   private _panelOpen = false;
 
@@ -376,14 +378,6 @@ export class MatSelect extends _MatSelectMixinBase implements AfterContentInit,
   }
   private _value: any;
 
-  /** Whether ripples for all options in the select are disabled. */
-  @Input()
-  get disableRipple(): boolean { return this._disableRipple; }
-  set disableRipple(value: boolean) {
-    this._disableRipple = coerceBooleanProperty(value);
-  }
-  private _disableRipple: boolean = false;
-
   /** Aria label of the select. If not specified, the placeholder will be used as label. */
   @Input('aria-label') ariaLabel: string = '';