Reset the app list when it is shown on Windows and Linux.

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/strings/string_util.h"
@@ skipping 421 matching lines @@
                       OnActivationChanged(widget, active));
 }
 
 void AppListView::OnWidgetVisibilityChanged(views::Widget* widget,
                                             bool visible) {
   BubbleDelegateView::OnWidgetVisibilityChanged(widget, visible);
 
   if (widget != GetWidget())
     return;
 
-  // We clear the search when hiding so the next time the app list appears it is
-  // not showing search results.
   if (!visible)
-    app_list_main_view_->search_box_view()->ClearSearch();
+    app_list_main_view_->ResetForShow();
 
   // Whether we need to signin or not may have changed since last time we were
   // shown.
   Layout();
 }
 
 void AppListView::OnSpeechRecognitionStateChanged(
     SpeechRecognitionState new_state) {
   if (signin_view_->visible() || !speech_view_)
     return;
@@ skipping 47 matching lines @@
 #else
   speech_view_->SetVisible(recognizing);
   app_list_main_view_->SetVisible(!recognizing);
 
   // Needs to schedule paint of AppListView itself, to repaint the background.
   GetBubbleFrameView()->SchedulePaint();
 #endif
 }
 
 }  // namespace app_list