Block renderer-initiated main frame navigations to data URLs

content/browser/frame_host/navigation_handle_impl.h

 // Copyright 2015 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_BROWSER_FRAME_HOST_NAVIGATION_HANDLE_IMPL_H_
 #define CONTENT_BROWSER_FRAME_HOST_NAVIGATION_HANDLE_IMPL_H_
 
 #include "content/public/browser/navigation_handle.h"
 
 #include <stddef.h>
@@ skipping 159 matching lines @@
   NavigationData* GetNavigationData() override;
 
   // Used in tests.
   State state_for_testing() const { return state_; }
 
   // Whether or not the navigation has been initiated by a form submission.
   // TODO(arthursonzogni): This value is correct only when PlzNavigate is
   // enabled. Make it work in both modes.
   bool is_form_submission() const { return is_form_submission_; }
 
+  // Whether the navigation request is a download. This is useful when the
+  // navigation hasn't committed yet, in which case HasCommitted() will return
+  // false even if the navigation request is not a download.
+  bool is_download() const { return is_download_; }
+
   // The NavigatorDelegate to notify/query for various navigation events.
   // Normally this is the WebContents, except if this NavigationHandle was
   // created during a navigation to an interstitial page. In this case it will
   // be the InterstitialPage itself.
   //
   // Note: due to the interstitial navigation case, all calls that can possibly
   // expose the NavigationHandle to code outside of content/ MUST go though the
   // NavigatorDelegate. In particular, the ContentBrowserClient should not be
   // called directly form the NavigationHandle code. Thus, these calls will not
   // expose the NavigationHandle when navigating to an InterstialPage.
@@ skipping 367 matching lines @@
   SourceLocation source_location_;
 
   base::WeakPtrFactory<NavigationHandleImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(NavigationHandleImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_FRAME_HOST_NAVIGATION_HANDLE_IMPL_H_