Parent the AppInfoDialog using a ModalDialogHost

ui/app_list/views/contents_view.h

 // 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.
 
 #ifndef UI_APP_LIST_VIEWS_CONTENTS_VIEW_H_
 #define UI_APP_LIST_VIEWS_CONTENTS_VIEW_H_
 
 #include <map>
 #include <utility>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/linked_ptr.h"
 #include "base/memory/scoped_ptr.h"
+#include "components/web_modal/modal_dialog_host.h"
 #include "ui/app_list/app_list_export.h"
 #include "ui/app_list/app_list_model.h"
 #include "ui/app_list/pagination_model.h"
 #include "ui/app_list/pagination_model_observer.h"
 #include "ui/views/view.h"
 #include "ui/views/view_model.h"
 
 namespace gfx {
 class Rect;
 }
@@ skipping 12 matching lines @@
 class SearchResultListView;
 class SearchResultPageView;
 class StartPageView;
 
 // A view to manage launcher pages within the Launcher (eg. start page, apps
 // grid view, search results). There can be any number of launcher pages, only
 // one of which can be active at a given time. ContentsView provides the user
 // interface for switching between launcher pages, and animates the transition
 // between them.
 class APP_LIST_EXPORT ContentsView : public views::View,
-                                     public PaginationModelObserver {
+                                     public PaginationModelObserver,
+                                     public web_modal::ModalDialogHost {
  public:
   ContentsView(AppListMainView* app_list_main_view);
   ~ContentsView() override;
 
   // Initialize the pages of the launcher. In the experimental launcher, should
   // be called after set_contents_switcher_view(), or switcher buttons will not
   // be created.
   void Init(AppListModel* model);
 
   // The app list gets closed and drag and drop operations need to be cancelled.
@@ skipping 66 matching lines @@
   gfx::Size GetPreferredSize() const override;
   void Layout() override;
   bool OnKeyPressed(const ui::KeyEvent& event) override;
 
   // Overridden from PaginationModelObserver:
   void TotalPagesChanged() override;
   void SelectedPageChanged(int old_selected, int new_selected) override;
   void TransitionStarted() override;
   void TransitionChanged() override;
 
+  // Overridden from web_modal::ModalDialogHost:
+  gfx::NativeView GetHostView() const override;
+  gfx::Point GetDialogPosition(const gfx::Size& size) override;
+  void AddObserver(web_modal::ModalDialogHostObserver* observer) override;
+  void RemoveObserver(web_modal::ModalDialogHostObserver* observer) override;
+
  private:
   // Sets the active launcher page, accounting for whether the change is for
   // search results.
   void SetActivePageInternal(int page_index, bool show_search_results);
 
   // Invoked when active view is changed.
   void ActivePageChanged();
 
   // Returns the size of the default content area.
   gfx::Size GetDefaultContentsSize() const;
@@ skipping 75 matching lines @@
 
   // The animator for transitions not found in |contents_animators_|.
   scoped_ptr<ContentsAnimator> default_animator_;
 
   DISALLOW_COPY_AND_ASSIGN(ContentsView);
 };
 
 }  // namespace app_list
 
 #endif  // UI_APP_LIST_VIEWS_CONTENTS_VIEW_H_