<webview>: Move download permission to chrome

content/public/browser/browser_plugin_guest_delegate.h

 // Copyright 2013 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 CONTENT_PUBLIC_BROWSER_BROWSER_PLUGIN_GUEST_DELEGATE_H_
 #define CONTENT_PUBLIC_BROWSER_BROWSER_PLUGIN_GUEST_DELEGATE_H_
 
 #include "base/callback_forward.h"
 #include "base/process/kill.h"
 #include "base/strings/string16.h"
@@ skipping 92 matching lines @@
 
   // Asks permission to use the camera and/or microphone. If permission is
   // granted, a call should be made to |callback| with the devices. If the
   // request is denied, a call should be made to |callback| with an empty list
   // of devices. |request| has the details of the request (e.g. which of audio
   // and/or video devices are requested, and lists of available devices).
   virtual void RequestMediaAccessPermission(
       const MediaStreamRequest& request,
       const MediaResponseCallback& callback);
 
+  // Asks the delegate if the given tab can download.
+  // Invoking the |callback| synchronously is OK.
+  virtual void CanDownload(const std::string& request_method,
+                           const GURL& url,
+                           const base::Callback<void(bool)>& callback);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_BROWSER_PLUGIN_GUEST_DELEGATE_H_