MacViews: Put wm window animation calls behind an interface.

ui/views/widget/native_widget_mac.mm

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ui/views/widget/native_widget_mac.h"
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/mac/foundation_util.h"
 #include "base/mac/scoped_nsobject.h"
@@ skipping 494 matching lines @@
 }
 
 void NativeWidgetMac::EndMoveLoop() {
   NOTIMPLEMENTED();
 }
 
 void NativeWidgetMac::SetVisibilityChangedAnimationsEnabled(bool value) {
   NOTIMPLEMENTED();
 }
 
+void NativeWidgetMac::SetVisibilityAnimationDuration(
+    const base::TimeDelta& duration) {
+  NOTIMPLEMENTED();
+}
+
+void NativeWidgetMac::SetVisibilityAnimationTransition(
+    Widget::VisibilityTransition transition) {
+  NOTIMPLEMENTED();
+}
+
 ui::NativeTheme* NativeWidgetMac::GetNativeTheme() const {
   return ui::NativeTheme::instance();
 }
 
 void NativeWidgetMac::OnRootViewLayout() {
   NOTIMPLEMENTED();
 }
 
 bool NativeWidgetMac::IsTranslucentWindowOpacitySupported() const {
   return false;
@@ skipping 95 matching lines @@
 }
 
 // static
 gfx::FontList NativeWidgetPrivate::GetWindowTitleFontList() {
   NOTIMPLEMENTED();
   return gfx::FontList();
 }
 
 }  // namespace internal
 }  // namespace views