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/download/chrome_download_manager_delegate.h"
 #include "chrome/browser/ui/tab_modal_confirm_dialog.h"
 #include "chrome/browser/ui/tab_modal_confirm_dialog_delegate.h"
@@ skipping 23 matching lines @@
   // content::DownloadItem::Observer
   virtual void OnDownloadUpdated(content::DownloadItem* download) OVERRIDE;
   virtual void OnDownloadOpened(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;
 
   // Runs |callback|. PrepareToClose() is called beforehand. Doing so prevents
   // this object from responding to state changes in |download_| that might
   // result from invoking the callback. |callback| must refer to either
   // |accepted_| or |canceled_|.
   void RunCallback(const base::Closure& callback);
 
   // Resets |accepted_|, |canceled_| and removes the observer from |download_|,
   // in preparation for closing the prompt.
   void PrepareToClose();
@@ skipping 82 matching lines @@
 }
 
 void DownloadDangerPromptImpl::OnAccepted() {
   RunCallback(accepted_);
 }
 
 void DownloadDangerPromptImpl::OnCanceled() {
   RunCallback(canceled_);
 }
 
+void DownloadDangerPromptImpl::OnClosed() {
+  RunCallback(canceled_);
+}
+
 void DownloadDangerPromptImpl::RunCallback(const base::Closure& callback) {
   // 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.
   base::Closure callback_copy = callback;
   PrepareToClose();
   if (!callback_copy.is_null())
     callback_copy.Run();
 }
 
@@ skipping 14 matching lines @@
     content::WebContents* web_contents,
     bool show_context,
     const base::Closure& accepted,
     const base::Closure& canceled) {
   DownloadDangerPromptImpl* prompt = new DownloadDangerPromptImpl(
       item, show_context, accepted, canceled);
   // |prompt| will be deleted when the dialog is done.
   TabModalConfirmDialog::Create(prompt, web_contents);
   return prompt;
 }