ash: Add launcher overflow bubble.

ash/wm/shelf_layout_manager.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/wm/shelf_layout_manager.h"
 
 #include <algorithm>
 
 #include "ash/launcher/launcher.h"
 #include "ash/screen_ash.h"
@@ skipping 524 matching lines @@
   Shell* shell = Shell::GetInstance();
   if (shell->GetAppListTargetVisibility())
     return AUTO_HIDE_SHOWN;
 
   if (shell->system_tray() && shell->system_tray()->should_show_launcher())
     return AUTO_HIDE_SHOWN;
 
   if (launcher_ && launcher_->IsShowingMenu())
     return AUTO_HIDE_SHOWN;
 
+  if (launcher_ && launcher_->IsShowingOverflowBubble())
+    return AUTO_HIDE_SHOWN;
+
   if (launcher_widget()->IsActive() || status_->IsActive())
     return AUTO_HIDE_SHOWN;
 
   // Don't show if the user is dragging the mouse.
   if (event_filter_.get() && event_filter_->in_mouse_drag())
     return AUTO_HIDE_HIDDEN;
 
   aura::RootWindow* root = launcher_widget()->GetNativeView()->GetRootWindow();
   bool mouse_over_launcher =
       launcher_widget()->GetWindowScreenBounds().Contains(
@@ skipping 37 matching lines @@
 int ShelfLayoutManager::GetWorkAreaSize(const State& state, int size) const {
   if (state.visibility_state == VISIBLE)
     return size;
   if (state.visibility_state == AUTO_HIDE)
     return kAutoHideSize;
   return 0;
 }
 
 }  // namespace internal
 }  // namespace ash