mash: Convert ash shelf overflow bubble to wm common types

ash/mus/bridge/wm_shelf_mus.cc

 // Copyright 2016 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 "ash/mus/bridge/wm_shelf_mus.h"
 
 #include "ash/mus/bridge/wm_window_mus.h"
 #include "ash/mus/shelf_layout_manager.h"
 #include "services/ui/public/cpp/window.h"
 
@@ skipping 51 matching lines @@
 ShelfBackgroundType WmShelfMus::GetBackgroundType() const {
   NOTIMPLEMENTED();
   return SHELF_BACKGROUND_DEFAULT;
 }
 
 bool WmShelfMus::IsDimmed() const {
   NOTIMPLEMENTED();
   return false;
 }
 
+bool WmShelfMus::IsShowingOverflowBubble() const {
+  NOTIMPLEMENTED();
+  return false;
+}
+
+void WmShelfMus::SchedulePaint() {
+  NOTIMPLEMENTED();
+}
+
 bool WmShelfMus::IsVisible() const {
   NOTIMPLEMENTED();
   return true;
 }
 
 void WmShelfMus::UpdateVisibilityState() {
   NOTIMPLEMENTED();
 }
 
 ShelfVisibilityState WmShelfMus::GetVisibilityState() const {
@@ skipping 41 matching lines @@
 void WmShelfMus::RemoveObserver(WmShelfObserver* observer) {
   observers_.RemoveObserver(observer);
 }
 
 void WmShelfMus::SetKeyboardBoundsForTesting(const gfx::Rect& bounds) {
   NOTIMPLEMENTED();
 }
 
 }  // namespace mus
 }  // namespace ash