chore: linting and TS errors (#7235)

Fixes a few linting errors in master and a TS error.

src/lib/chips/chip-input.ts

@@ -8,7 +8,7 @@
 
 import {coerceBooleanProperty} from '@angular/cdk/coercion';
 import {ENTER} from '@angular/cdk/keycodes';
-import {Directive, ElementRef, EventEmitter, Input, Output,} from '@angular/core';
+import {Directive, ElementRef, EventEmitter, Input, Output} from '@angular/core';
 import {MdChipList} from './chip-list';
 
 

src/lib/chips/chip-list.ts

@@ -10,7 +10,7 @@ import {FocusKeyManager} from '@angular/cdk/a11y';
 import {Directionality} from '@angular/cdk/bidi';
 import {coerceBooleanProperty} from '@angular/cdk/coercion';
 import {SelectionModel} from '@angular/cdk/collections';
-import {BACKSPACE, DELETE, LEFT_ARROW, RIGHT_ARROW, UP_ARROW,} from '@angular/cdk/keycodes';
+import {BACKSPACE, DELETE, LEFT_ARROW, RIGHT_ARROW, UP_ARROW} from '@angular/cdk/keycodes';
 import {startWith} from '@angular/cdk/rxjs';
 import {
   AfterContentInit,

src/lib/chips/chip.ts

@@ -110,14 +110,17 @@ export class MdChip extends _MdChipMixinBase implements FocusableOption, OnDestr
       ? this._value
       : this._elementRef.nativeElement.textContent;
   }
-  set value(newValue: any) { this._value = newValue;}
+  set value(newValue: any) {
+    this._value = newValue;
+  }
 
   /**
    * Whether or not the chips are selectable. When a chip is not selectable,
    * changes to it's selected state are always ignored.
    */
   @Input() get selectable(): boolean {
-    return this._selectable;}
+    return this._selectable;
+  }
 
 
   set selectable(value: boolean) {
@@ -128,7 +131,8 @@ export class MdChip extends _MdChipMixinBase implements FocusableOption, OnDestr
    * Determines whether or not the chip displays the remove styling and emits (remove) events.
    */
   @Input() get removable(): boolean {
-    return this._removable;}
+    return this._removable;
+  }
 
 
   set removable(value: boolean) {

src/material-examples/chips-input/chips-input-example.ts

@@ -1,5 +1,6 @@
 import {Component} from '@angular/core';
-import {MdChipInputEvent, ENTER} from '@angular/material';
+import {MdChipInputEvent} from '@angular/material';
+import {ENTER} from '@angular/cdk/keycodes';
 
 const COMMA = 188;