Make the multiple download request dialog an infobar....

chrome/browser/download/download_request_infobar_delegate.h

+// Copyright (c) 2009 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_DOWNLOAD_DOWNLOAD_REQUEST_INFOBAR_DELEGATE_H_
+#define CHROME_BROWSER_DOWNLOAD_DOWNLOAD_REQUEST_INFOBAR_DELEGATE_H_
+
+#include "base/basictypes.h"
+#include "chrome/browser/download/download_request_manager.h"
+#include "chrome/browser/tab_contents/infobar_delegate.h"
+
+class TabContents;
+
+// An infobar delegate that presents the user with a choice to allow or deny
+// multiple downloads from the same site. This confirmation step protects
+// against "carpet-bombing", where a malicious site forces multiple downloads
+// on an unsuspecting user.
+class DownloadRequestInfoBarDelegate : public ConfirmInfoBarDelegate {
+ public:
+  DownloadRequestInfoBarDelegate(
+      TabContents* tab, DownloadRequestManager::TabDownloadState* host);
+
+  virtual ~DownloadRequestInfoBarDelegate();
+
+  void set_host(DownloadRequestManager::TabDownloadState* host) {
+    host_ = host;
+  }
+
+  virtual void InfoBarClosed();
+
+  virtual std::wstring GetMessageText() const;
+
+  virtual SkBitmap* GetIcon() const;
+
+  virtual int GetButtons() const;
+
+  virtual std::wstring GetButtonLabel(
+      ConfirmInfoBarDelegate::InfoBarButton button) const;
+
+  virtual bool Accept();
+
+  virtual bool Cancel();
+
+ private:
+  DownloadRequestManager::TabDownloadState* host_;
+
+  DISALLOW_COPY_AND_ASSIGN(DownloadRequestInfoBarDelegate);
+};
+
+#endif  // CHROME_BROWSER_DOWNLOAD_DOWNLOAD_REQUEST_INFOBAR_DELEGATE_H_