PlzNavigate: set the error code in NavigationHandle on abort

content/browser/frame_host/navigation_request.cc

 // Copyright 2014 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/navigation_request.h"
 
 #include <utility>
 
 #include "base/memory/ptr_util.h"
 #include "content/browser/appcache/appcache_navigation_handle.h"
@@ skipping 557 matching lines @@
   DCHECK(result != NavigationThrottle::DEFER);
   DCHECK(result != NavigationThrottle::BLOCK_RESPONSE);
 
   if (on_start_checks_complete_closure_)
     on_start_checks_complete_closure_.Run();
 
   // Abort the request if needed. This will destroy the NavigationRequest.
   if (result == NavigationThrottle::CANCEL_AND_IGNORE ||
       result == NavigationThrottle::CANCEL) {
     // TODO(clamy): distinguish between CANCEL and CANCEL_AND_IGNORE.
-    frame_tree_node_->ResetNavigationRequest(false);
+    OnRequestFailed(false, net::ERR_ABORTED);

[clamy, 2017/01/26 15:33:45]

OnRequestFailed will set the error code on the NavigationHandle & delete the
pending NavigationEntry if needed.

+    // DO NOT ADD CODE after this. The previous call to OnRequestFailed has
+    // destroyed the NavigationRequest.
     return;
   }
 
   if (result == NavigationThrottle::BLOCK_REQUEST) {
     OnRequestFailed(false, net::ERR_BLOCKED_BY_CLIENT);
     // DO NOT ADD CODE after this. The previous call to OnRequestFailed has
     // destroyed the NavigationRequest.
     return;
   }
 
@@ skipping 72 matching lines @@
 
 void NavigationRequest::OnRedirectChecksComplete(
     NavigationThrottle::ThrottleCheckResult result) {
   DCHECK(result != NavigationThrottle::DEFER);
   DCHECK(result != NavigationThrottle::BLOCK_RESPONSE);
 
   // Abort the request if needed. This will destroy the NavigationRequest.
   if (result == NavigationThrottle::CANCEL_AND_IGNORE ||
       result == NavigationThrottle::CANCEL) {
     // TODO(clamy): distinguish between CANCEL and CANCEL_AND_IGNORE.
-    frame_tree_node_->ResetNavigationRequest(false);
+    OnRequestFailed(false, net::ERR_ABORTED);
+    // DO NOT ADD CODE after this. The previous call to OnRequestFailed has
+    // destroyed the NavigationRequest.
     return;
   }
 
   loader_->FollowRedirect();
 }
 
 void NavigationRequest::OnWillProcessResponseChecksComplete(
     NavigationThrottle::ThrottleCheckResult result) {
   DCHECK(result != NavigationThrottle::DEFER);
 
   // 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.
   if (result == NavigationThrottle::CANCEL_AND_IGNORE ||
       result == NavigationThrottle::CANCEL || !response_should_be_rendered_) {
     // TODO(clamy): distinguish between CANCEL and CANCEL_AND_IGNORE.
-    frame_tree_node_->navigator()->DiscardPendingEntryIfNeeded(
-        navigation_handle_.get());
-    frame_tree_node_->ResetNavigationRequest(false);
+    OnRequestFailed(false, net::ERR_ABORTED);
+    // DO NOT ADD CODE after this. The previous call to OnRequestFailed has
+    // destroyed the NavigationRequest.
     return;
   }
 
   if (result == NavigationThrottle::BLOCK_RESPONSE) {
     OnRequestFailed(false, net::ERR_BLOCKED_BY_RESPONSE);
     // DO NOT ADD CODE after this. The previous call to OnRequestFailed has
     // destroyed the NavigationRequest.
     return;
   }
 
@@ skipping 23 matching lines @@
   DCHECK_EQ(request_params_.has_user_gesture, begin_params_.has_user_gesture);
 
   render_frame_host->CommitNavigation(response_.get(), std::move(body_),
                                       common_params_, request_params_,
                                       is_view_source_);
 
   frame_tree_node_->ResetNavigationRequest(true);
 }
 
 }  // namespace content