Revert the merge of CrossSiteResourceHandler and NavigationResourceThrottle.

content/browser/frame_host/render_frame_host_impl.h

Index: content/browser/frame_host/render_frame_host_impl.h
diff --git a/content/browser/frame_host/render_frame_host_impl.h b/content/browser/frame_host/render_frame_host_impl.h
index 943b1cc920129c011fed4b6b27b1764749f8b030..8b275095cde371d47a7f685882c021fd138cec43 100644
--- a/content/browser/frame_host/render_frame_host_impl.h
+++ b/content/browser/frame_host/render_frame_host_impl.h
@@ -72,6 +72,7 @@ namespace content {
 
 class AssociatedInterfaceProviderImpl;
 class CrossProcessFrameConnector;
+class CrossSiteTransferringRequest;
 class FrameTree;
 class FrameTreeNode;
 class NavigationHandleImpl;
@@ -340,6 +341,18 @@ class CONTENT_EXPORT RenderFrameHostImpl
   // RenderFrameHost that will issue the transferring request.
   std::unique_ptr<NavigationHandleImpl> PassNavigationHandleOwnership();
 
+  // Called on the pending RenderFrameHost when the network response is ready to
+  // commit.  We should ensure that the old RenderFrameHost runs its unload
+  // handler and determine whether a transfer to a different RenderFrameHost is
+  // needed.
+  void OnCrossSiteResponse(const GlobalRequestID& global_request_id,
+                           std::unique_ptr<CrossSiteTransferringRequest>
+                               cross_site_transferring_request,
+                           const std::vector<GURL>& transfer_url_chain,
+                           const Referrer& referrer,
+                           ui::PageTransition page_transition,
+                           bool should_replace_current_entry);
+
   // Tells the renderer that this RenderFrame is being swapped out for one in a
   // different renderer process.  It should run its unload handler and move to
   // a blank document.  If |proxy| is not null, it should also create a