Move blocking of top-level navigations to nested URLs with extension origins from non-extension pro…

content/public/browser/navigation_handle.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_PUBLIC_BROWSER_NAVIGATION_HANDLE_H_
 #define CONTENT_PUBLIC_BROWSER_NAVIGATION_HANDLE_H_
 
 #include <memory>
 
 #include "content/common/content_export.h"
@@ skipping 30 matching lines @@
   // some may change during navigation (e.g. due to server redirects).
 
   // The URL the frame is navigating to. This may change during the navigation
   // when encountering a server redirect.
   // This URL may not be the same as the virtual URL returned from
   // WebContents::GetVisibleURL and WebContents::GetLastCommittedURL. For
   // example, viewing a page's source navigates to the URL of the page, but the
   // virtual URL is prefixed with "view-source:".
   virtual const GURL& GetURL() = 0;
 
+  // Returns the URL fo the Site Instance.
+  virtual const GURL& GetSiteURL() = 0;

[nasko, 2016/10/12 17:00:35]

Let's expose the SiteInstance, as we will need it for other checks too.

[alexmos, 2016/10/12 17:18:16]

Could we name this so that it's a bit more clear what SiteInstance this is
(i.e., the creator's and not the target's)?

+
   // Whether the navigation is taking place in the main frame or in a subframe.
   // This remains constant over the navigation lifetime.
   virtual bool IsInMainFrame() = 0;
 
   // Whether the navigation is taking place in a frame that is a direct child
   // of the main frame. This remains constant over the navigation lifetime.
   virtual bool IsParentMainFrame() = 0;
 
   // Whether the navigation was initated by the renderer process. Examples of
   // renderer-initiated navigations include:
@@ skipping 160 matching lines @@
 
   // The NavigationData that the embedder returned from
   // ResourceDispatcherHostDelegate::GetNavigationData during commit. This will
   // be a clone of the NavigationData.
   virtual NavigationData* GetNavigationData() = 0;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_NAVIGATION_HANDLE_H_