Parent the AppInfoDialog using a ModalDialogHost

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 303 matching lines @@
 }
 #endif
 
 PaginationModel* AppListView::GetAppsPaginationModel() {
   return app_list_main_view_->contents_view()
       ->apps_container_view()
       ->apps_grid_view()
       ->pagination_model();
 }
 
+web_modal::ModalDialogHost* AppListView::GetDialogHost() {
+  return app_list_main_view_->contents_view();
+}
+
 void AppListView::InitAsBubbleInternal(gfx::NativeView parent,
                                        int initial_apps_page,
                                        views::BubbleBorder::Arrow arrow,
                                        bool border_accepts_events,
                                        const gfx::Vector2d& anchor_offset) {
   base::Time start_time = base::Time::Now();
 
   app_list_main_view_ = new AppListMainView(delegate_);
   AddChildView(app_list_main_view_);
   app_list_main_view_->SetPaintToLayer(true);
@@ skipping 272 matching lines @@
       speech_view_->layer()->SetTransform(speech_transform);
   }
 
   if (will_appear)
     speech_view_->SetVisible(true);
   else
     app_list_main_view_->SetVisible(true);
 }
 
 }  // namespace app_list