Set UA override flag for Renderer-initiated NavigationRequest

content/browser/frame_host/navigator_impl.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/navigator_impl.h"
 
 #include <utility>
 
 #include "base/logging.h"
 #include "base/metrics/histogram_macros.h"
@@ skipping 1001 matching lines @@
     // main frame navigation that start via a BeginNavigation IPC, the
     // RenderFrameHost will not be swapped. Therefore it is safe to call
     // DidStartMainFrameNavigation with the SiteInstance from the current
     // RenderFrameHost.
     DidStartMainFrameNavigation(
         common_params.url,
         frame_tree_node->current_frame_host()->GetSiteInstance(), nullptr);
     navigation_data_.reset();
   }
   NavigationEntryImpl* pending_entry = controller_->GetPendingEntry();
+  NavigationEntryImpl* current_entry = controller_->GetLastCommittedEntry();
+  bool override_user_agent =
+      current_entry ? current_entry->GetIsOverridingUserAgent() : false;
   frame_tree_node->CreatedNavigationRequest(
       NavigationRequest::CreateRendererInitiated(
           frame_tree_node, pending_entry, common_params, begin_params,
           controller_->GetLastCommittedEntryIndex(),
-          controller_->GetEntryCount()));
+          controller_->GetEntryCount(), override_user_agent));
   NavigationRequest* navigation_request = frame_tree_node->navigation_request();
 
   // For main frames, NavigationHandle will be created after the call to
   // |DidStartMainFrameNavigation|, so it receives the most up to date pending
   // entry from the NavigationController.
   navigation_request->BeginNavigation();
 }
 
 void NavigatorImpl::OnAbortNavigation(FrameTreeNode* frame_tree_node) {
   NavigationRequest* ongoing_navigation_request =
@@ skipping 259 matching lines @@
     if (navigation_handle)
       navigation_handle->update_entry_id_for_transfer(entry->GetUniqueID());
 
     controller_->SetPendingEntry(std::move(entry));
     if (delegate_)
       delegate_->NotifyChangedNavigationState(content::INVALIDATE_TYPE_URL);
   }
 }
 
 }  // namespace content