Rename background to backgroundColor

Author: willshowell

src/demo-app/tabs/tabs-demo.html

@@ -6,7 +6,7 @@ <h1>Tab Nav Bar</h1>
 <button md-button (click)="toggleBackground()">Toggle background</button>
 
 <div class="demo-nav-bar">
-  <nav md-tab-nav-bar aria-label="weather navigation links" [background]="tabNavBackground">
+  <nav md-tab-nav-bar aria-label="weather navigation links" [backgroundColor]="tabNavBackground">
     <a md-tab-link
        *ngFor="let tabLink of tabLinks; let i = index"
        [routerLink]="tabLink.link"
@@ -265,7 +265,7 @@ <h1>Accent tabs</h1>
 </md-tab-group>
 
 <h1>Tabs with background color</h1>
-<md-tab-group class="demo-tab-group" background="primary" color="accent">
+<md-tab-group class="demo-tab-group" backgroundColor="primary" color="accent">
   <md-tab label="Earth">
     <div class="tab-content">
       This tab is about the Earth!
@@ -276,4 +276,4 @@ <h1>Tabs with background color</h1>
       This tab is about combustion!
     </div>
   </md-tab>
-</md-tab-group>
+</md-tab-group>

src/lib/tabs/tab-group.ts

@@ -119,19 +119,19 @@ export class MdTabGroup extends _MdTabGroupMixinBase implements CanColor, AfterC
 
   /** Background color of the tab group. */
   @Input()
-  get background(): ThemePalette { return this._background; }
-  set background(value: ThemePalette) {
+  get backgroundColor(): ThemePalette { return this._backgroundColor; }
+  set backgroundColor(value: ThemePalette) {
     let nativeElement = this._elementRef.nativeElement;
 
-    this._renderer.removeClass(nativeElement, `mat-background-${this.background}`);
+    this._renderer.removeClass(nativeElement, `mat-background-${this.backgroundColor}`);
 
     if (value) {
       this._renderer.addClass(nativeElement, `mat-background-${value}`);
     }
 
-    this._background = value;
+    this._backgroundColor = value;
   }
-  private _background: ThemePalette;
+  private _backgroundColor: ThemePalette;
 
   /** Output to enable support for two-way binding on `[(selectedIndex)]` */
   @Output() get selectedIndexChange(): Observable<number> {

src/lib/tabs/tab-nav-bar/tab-nav-bar.ts

@@ -71,19 +71,19 @@ export class MdTabNav extends _MdTabNavMixinBase implements AfterContentInit, Ca
 
   /** Background color of the tab nav. */
   @Input()
-  get background(): ThemePalette { return this._background; }
-  set background(value: ThemePalette) {
+  get backgroundColor(): ThemePalette { return this._backgroundColor; }
+  set backgroundColor(value: ThemePalette) {
     let nativeElement = this._elementRef.nativeElement;
 
-    this._renderer.removeClass(nativeElement, `mat-background-${this.background}`);
+    this._renderer.removeClass(nativeElement, `mat-background-${this.backgroundColor}`);
 
     if (value) {
       this._renderer.addClass(nativeElement, `mat-background-${value}`);
     }
 
-    this._background = value;
+    this._backgroundColor = value;
   }
-  private _background: ThemePalette;
+  private _backgroundColor: ThemePalette;
 
   constructor(renderer: Renderer2,
               elementRef: ElementRef,