Shortcut cross-process frame transfers to avoid pending NavigationEntries.

content/browser/frame_host/render_frame_host_manager.cc

 // 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.
 
 #include "content/browser/frame_host/render_frame_host_manager.h"
 
 #include <algorithm>
 #include <utility>
 
 #include "base/command_line.h"
@@ skipping 631 matching lines @@
       render_frame_host_->GetProcess()->GetID();
   DCHECK_EQ(process_id, global_request_id.child_id);
 
   // Treat the last URL in the chain as the destination and the remainder as
   // the redirect chain.
   CHECK(transfer_url_chain.size());
   GURL transfer_url = transfer_url_chain.back();
   std::vector<GURL> rest_of_chain = transfer_url_chain;
   rest_of_chain.pop_back();
 
-  // We don't know whether the original request had |user_action| set to true.
-  // However, since we force the navigation to be in the current tab, it
-  // doesn't matter.
   pending_render_frame_host->frame_tree_node()->navigator()->RequestTransferURL(
       pending_render_frame_host, transfer_url, nullptr, rest_of_chain, referrer,
       page_transition, CURRENT_TAB, global_request_id,
-      should_replace_current_entry, true);
+      should_replace_current_entry);
 
   // The transferring request was only needed during the RequestTransferURL
   // call, so it is safe to clear at this point.
   cross_site_transferring_request_.reset();
 
   // If the navigation continued, the NavigationHandle should have been
   // transfered to a RenderFrameHost. In the other cases, it should be cleared.
   transfer_navigation_handle_.reset();
 }
 
@@ skipping 2014 matching lines @@
 int RenderFrameHostManager::GetOpenerRoutingID(SiteInstance* instance) {
   if (!frame_tree_node_->opener())
     return MSG_ROUTING_NONE;
 
   return frame_tree_node_->opener()
       ->render_manager()
       ->GetRoutingIdForSiteInstance(instance);
 }
 
 }  // namespace content