ash: Add launcher overflow bubble.

ash/launcher/launcher.cc

 // Copyright (c) 2012 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/launcher/launcher.h"
 
+#include <algorithm>
+
 #include "ash/focus_cycler.h"
 #include "ash/launcher/launcher_delegate.h"
 #include "ash/launcher/launcher_model.h"
 #include "ash/launcher/launcher_navigator.h"
 #include "ash/launcher/launcher_view.h"
 #include "ash/shell.h"
 #include "ash/shell_delegate.h"
 #include "ash/shell_window_ids.h"
 #include "ash/wm/shelf_layout_manager.h"
 #include "ui/aura/window.h"
 #include "ui/compositor/layer.h"
 #include "ui/gfx/canvas.h"
 #include "ui/gfx/image/image.h"
 #include "ui/views/accessible_pane_view.h"
 #include "ui/views/widget/widget.h"
 #include "ui/views/widget/widget_delegate.h"
 
 namespace ash {
 
 namespace {
 
 // Max alpha of the background.
 const int kBackgroundAlpha = 128;
 
 }
 
 // The contents view of the Widget. This view contains LauncherView and
 // sizes it to the width of the widget minus the size of the status area.
 class Launcher::DelegateView : public views::WidgetDelegate,
-                               public views::AccessiblePaneView{
+                               public views::AccessiblePaneView {
  public:
   explicit DelegateView(Launcher* launcher);
   virtual ~DelegateView();
 
   void set_focus_cycler(internal::FocusCycler* focus_cycler) {
     focus_cycler_ = focus_cycler;
   }
   internal::FocusCycler* focus_cycler() {
     return focus_cycler_;
   }
@@ skipping 157 matching lines @@
 }
 
 void Launcher::RemoveIconObserver(LauncherIconObserver* observer) {
   launcher_view_->RemoveIconObserver(observer);
 }
 
 bool Launcher::IsShowingMenu() const {
   return launcher_view_->IsShowingMenu();
 }
 
+bool Launcher::IsShowingOverflowBubble() const {
+  return launcher_view_->IsShowingOverflowBubble();
+}
+
 views::View* Launcher::GetAppListButtonView() const {
   return launcher_view_->GetAppListButtonView();
 }
 
 internal::LauncherView* Launcher::GetLauncherViewForTest() {
   return launcher_view_;
 }
 
 void Launcher::UpdateBackground(int alpha) {
   ui::Layer* layer = widget_->GetNativeView()->layer();
   layer->SetColor(SkColorSetARGB(alpha, 0, 0, 0));
 }
 
 }  // namespace ash