Ensure app install is aborted when the install dialog is closed

chrome/browser/ui/views/extensions/extension_install_dialog_view.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_VIEWS_EXTENSIONS_EXTENSION_INSTALL_DIALOG_VIEW_H_
 #define CHROME_BROWSER_UI_VIEWS_EXTENSIONS_EXTENSION_INSTALL_DIALOG_VIEW_H_
 
 #include "chrome/browser/extensions/extension_install_prompt.h"
 #include "ui/gfx/animation/animation_delegate.h"
 #include "ui/gfx/animation/slide_animation.h"
@@ skipping 131 matching lines @@
   typedef std::vector<ExpandableContainerView*> InlineExplanations;
   InlineExplanations inline_explanations_;
 
   // Experimental: Number of unchecked checkboxes in the permission list.
   // If this becomes zero, the accept button is enabled, otherwise disabled.
   int unchecked_boxes_;
 
   // ExperienceSampling: Track this UI event.
   scoped_ptr<extensions::ExperienceSamplingEvent> sampling_event_;
 
+  // Set to true once the user's selection has been received and the
+  // |delegate_| has been notified.
+  bool handled_result_;
+
   DISALLOW_COPY_AND_ASSIGN(ExtensionInstallDialogView);
 };
 
 // A simple view that prepends a view with a bullet with the help of a grid
 // layout.
 class BulletedView : public views::View {
  public:
   explicit BulletedView(views::View* view);
  private:
   DISALLOW_COPY_AND_ASSIGN(BulletedView);
@@ skipping 92 matching lines @@
 
   DISALLOW_COPY_AND_ASSIGN(ExpandableContainerView);
 };
 
 void ShowExtensionInstallDialogImpl(
     const ExtensionInstallPrompt::ShowParams& show_params,
     ExtensionInstallPrompt::Delegate* delegate,
     scoped_refptr<ExtensionInstallPrompt::Prompt> prompt);
 
 #endif  // CHROME_BROWSER_UI_VIEWS_EXTENSIONS_EXTENSION_INSTALL_DIALOG_VIEW_H_