Close the App Info Dialog if the app or profile becomes invalid

chrome/browser/ui/views/apps/app_info_dialog/app_info_panel.cc

 // Copyright 2014 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 "chrome/browser/ui/views/apps/app_info_dialog/app_info_panel.h"
 
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/views/controls/label.h"
 #include "ui/views/layout/box_layout.h"
 #include "ui/views/layout/layout_constants.h"
+#include "ui/views/widget/widget.h"
 
 namespace {
 
 // The spacing between the key and the value labels in the Details section.
 const int kSpacingBetweenKeyAndStartOfValue = 3;
 }
 
 AppInfoPanel::AppInfoPanel(Profile* profile, const extensions::Extension* app)
     : profile_(profile), app_(app) {
 }
 
 AppInfoPanel::~AppInfoPanel() {
 }
 
+void AppInfoPanel::Close() {
+  GetWidget()->Close();
+}
+
 views::Label* AppInfoPanel::CreateHeading(const base::string16& text) const {
   views::Label* label = new views::Label(text);
   label->SetHorizontalAlignment(gfx::ALIGN_LEFT);
   label->SetFontList(ui::ResourceBundle::GetSharedInstance().GetFontList(
       ui::ResourceBundle::MediumFont));
   return label;
 }
 
 views::View* AppInfoPanel::CreateVerticalStack(int child_spacing) const {
   views::View* vertically_stacked_view = new views::View();
@@ skipping 18 matching lines @@
 }
 
 views::View* AppInfoPanel::CreateKeyValueField(views::View* key,
                                                views::View* value) const {
   views::View* horizontal_stack =
       CreateHorizontalStack(kSpacingBetweenKeyAndStartOfValue);
   horizontal_stack->AddChildView(key);
   horizontal_stack->AddChildView(value);
   return horizontal_stack;
 }