PlzNavigate: make NavigationResourceHandler a LayeredResourceHandler

content/browser/frame_host/navigation_request.cc

Index: content/browser/frame_host/navigation_request.cc
diff --git a/content/browser/frame_host/navigation_request.cc b/content/browser/frame_host/navigation_request.cc
index 0b5e04d31dfd583dc62b3b1bf7c455af9cb4f93c..55eb1ee156e9d58516b5d4eafbb640d93c2d3119 100644
--- a/content/browser/frame_host/navigation_request.cc
+++ b/content/browser/frame_host/navigation_request.cc
@@ -813,6 +813,11 @@ void NavigationRequest::OnWillProcessResponseChecksComplete(
     NavigationThrottle::ThrottleCheckResult result) {
   DCHECK(result != NavigationThrottle::DEFER);
 
+  // If the NavigationThrottles allowed the navigation to continue, have the
+  // processing of the response resume in the network stack.
+  if (result == NavigationThrottle::PROCEED)
+    loader_->ProceedWithResponse();
+
   // Abort the request if needed. This includes requests that were blocked by
   // NavigationThrottles and requests that should not commit (e.g. downloads,
   // 204/205s). This will destroy the NavigationRequest.
@@ -833,9 +838,6 @@ void NavigationRequest::OnWillProcessResponseChecksComplete(
     return;
   }
 
-  // Have the processing of the response resume in the network stack.
-  loader_->ProceedWithResponse();
-
   CommitNavigation();
 
   // DO NOT ADD CODE after this. The previous call to CommitNavigation caused