Dismiss action in tab modal dialogs.

chrome/browser/download/download_danger_prompt.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 "chrome/browser/download/download_danger_prompt.h"
 
 #include "base/bind.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/download/chrome_download_manager_delegate.h"
 #include "chrome/browser/ui/tab_modal_confirm_dialog.h"
@@ skipping 23 matching lines @@
  private:
   // content::DownloadItem::Observer
   virtual void OnDownloadUpdated(content::DownloadItem* download) OVERRIDE;
 
   // TabModalConfirmDialogDelegate
   virtual string16 GetTitle() OVERRIDE;
   virtual string16 GetMessage() OVERRIDE;
   virtual string16 GetAcceptButtonTitle() OVERRIDE;
   virtual void OnAccepted() OVERRIDE;
   virtual void OnCanceled() OVERRIDE;
+  virtual void OnClosed() OVERRIDE;
 
   void RunDone(Action action);
 
   content::DownloadItem* download_;
   bool show_context_;
   OnDone done_;
 
   DISALLOW_COPY_AND_ASSIGN(DownloadDangerPromptImpl);
 };
 
@@ skipping 81 matching lines @@
 }
 
 void DownloadDangerPromptImpl::OnAccepted() {
   RunDone(ACCEPT);
 }
 
 void DownloadDangerPromptImpl::OnCanceled() {
   RunDone(CANCEL);
 }
 
+void DownloadDangerPromptImpl::OnClosed() {
+  RunDone(CANCEL);
+}
+
 void DownloadDangerPromptImpl::RunDone(Action action) {
   // Invoking the callback can cause the download item state to change or cause
   // the constrained window to close, and |callback| refers to a member
   // variable.
   OnDone done = done_;
   done_.Reset();
   if (download_ != NULL) {
     download_->RemoveObserver(this);
     download_ = NULL;
   }
   if (!done.is_null())
     done.Run(action);
 }
 
 }  // namespace
 
 // static
 DownloadDangerPrompt* DownloadDangerPrompt::Create(
     content::DownloadItem* item,
     content::WebContents* web_contents,
     bool show_context,
     const OnDone& done) {
   DownloadDangerPromptImpl* prompt = new DownloadDangerPromptImpl(
       item, web_contents, show_context, done);
   // |prompt| will be deleted when the dialog is done.
   TabModalConfirmDialog::Create(prompt, web_contents);
   return prompt;
 }