Use centered app list position whenever virtual keyboard is enabled.

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 178 matching lines @@
 
 void AppListView::Close() {
   app_list_main_view_->Close();
   delegate_->Dismiss();
 }
 
 void AppListView::UpdateBounds() {
   SizeToContents();
 }
 
+bool AppListView::ShouldCenterWindow() const {
+  return delegate_->ShouldCenterWindow();
+}
+
 gfx::Size AppListView::GetPreferredSize() {
   return app_list_main_view_->GetPreferredSize();
 }
 
 void AppListView::Paint(gfx::Canvas* canvas) {
   views::BubbleDelegateView::Paint(canvas);
   if (g_next_paint_callback) {
     g_next_paint_callback();
     g_next_paint_callback = NULL;
   }
@@ skipping 301 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