Parent the AppInfoDialog using a ModalDialogHost

ui/app_list/views/contents_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/contents_view.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "base/logging.h"
 #include "ui/app_list/app_list_constants.h"
 #include "ui/app_list/app_list_switches.h"
 #include "ui/app_list/app_list_view_delegate.h"
 #include "ui/app_list/views/app_list_folder_view.h"
 #include "ui/app_list/views/app_list_main_view.h"
 #include "ui/app_list/views/apps_container_view.h"
 #include "ui/app_list/views/apps_grid_view.h"
 #include "ui/app_list/views/contents_animator.h"
 #include "ui/app_list/views/contents_switcher_view.h"
 #include "ui/app_list/views/search_box_view.h"
 #include "ui/app_list/views/search_result_list_view.h"
 #include "ui/app_list/views/search_result_page_view.h"
 #include "ui/app_list/views/start_page_view.h"
 #include "ui/events/event.h"
 #include "ui/resources/grit/ui_resources.h"
 #include "ui/views/view_model.h"
 #include "ui/views/view_model_utils.h"
+#include "ui/views/widget/widget.h"
 
 namespace app_list {
 
 ContentsView::ContentsView(AppListMainView* app_list_main_view)
     : apps_container_view_(nullptr),
       search_results_list_view_(nullptr),
       search_results_page_view_(nullptr),
       start_page_view_(nullptr),
       app_list_main_view_(app_list_main_view),
       contents_switcher_view_(nullptr),
@@ skipping 357 matching lines @@
 void ContentsView::SelectedPageChanged(int old_selected, int new_selected) {
 }
 
 void ContentsView::TransitionStarted() {
 }
 
 void ContentsView::TransitionChanged() {
   UpdatePageBounds();
 }
 
+gfx::NativeView ContentsView::GetHostView() const {
+  return GetWidget()->GetNativeView();
+}
+
+gfx::Point ContentsView::GetDialogPosition(const gfx::Size& size) {
+  gfx::Rect screen_bounds = GetBoundsInScreen();
+  return screen_bounds.origin();
+}
+
+void ContentsView::AddObserver(web_modal::ModalDialogHostObserver* observer) {
+  NOTIMPLEMENTED();
+}
+
+void ContentsView::RemoveObserver(
+    web_modal::ModalDialogHostObserver* observer) {
+  NOTIMPLEMENTED();
+}
+
 }  // namespace app_list