Refocus app list search box when dialogs are closed.

ui/app_list/views/app_list_view.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 "ui/app_list/views/app_list_view.h"
 
 #include <algorithm>
 
 #include "base/command_line.h"
 #include "base/metrics/histogram.h"
@@ skipping 291 matching lines @@
   overlay_view_->layer()->SetOpacity(visible ? kOverlayOpacity : 0.0f);
   // Create the illusion that the search box is hidden behind the app list
   // overlay mask by setting its opacity to the same value, and disabling it.
   {
     ui::ScopedLayerAnimationSettings settings(
         search_box_widget_->GetLayer()->GetAnimator());
     const float kSearchBoxWidgetOpacity = 0.5f;
     search_box_widget_->GetLayer()->SetOpacity(visible ? kSearchBoxWidgetOpacity
                                                        : 1.0f);
     search_box_view_->SetEnabled(!visible);
+    if (!visible)
+      search_box_view_->search_box()->RequestFocus();
   }
 }
 
 bool AppListView::ShouldCenterWindow() const {
   return delegate_->ShouldCenterWindow();
 }
 
 gfx::Size AppListView::GetPreferredSize() const {
   return app_list_main_view_->GetPreferredSize();
 }
@@ skipping 446 matching lines @@
 
   if (will_appear) {
     speech_view_->SetVisible(true);
   } else {
     app_list_main_view_->SetVisible(true);
     search_box_view_->search_box()->RequestFocus();
   }
 }
 
 }  // namespace app_list