Implement NavigationThrottle::BLOCK_REQUEST_AND_COLLAPSE.

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 679 matching lines @@
   if (result == NavigationThrottle::CANCEL_AND_IGNORE ||
       result == NavigationThrottle::CANCEL) {
     // TODO(clamy): distinguish between CANCEL and CANCEL_AND_IGNORE.
     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_REQUEST) {
+  if (result == NavigationThrottle::BLOCK_REQUEST ||
+      result == NavigationThrottle::BLOCK_REQUEST_AND_COLLAPSE) {
     OnRequestFailed(false, net::ERR_BLOCKED_BY_CLIENT);
 
     // DO NOT ADD CODE after this. The previous call to OnRequestFailed has
     // destroyed the NavigationRequest.
     return;
   }
 
   // Use the SiteInstance of the navigating RenderFrameHost to get access to
   // the StoragePartition. Using the url of the navigation will result in a
   // wrong StoragePartition being picked when a WebView is navigating.
@@ 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.
+    // TODO(clamy): distinguish between CANCEL and CANCEL_AND_IGNORE if needed.
     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_REQUEST) {
+  if (result == NavigationThrottle::BLOCK_REQUEST ||
+      result == NavigationThrottle::BLOCK_REQUEST_AND_COLLAPSE) {
     OnRequestFailed(false, net::ERR_BLOCKED_BY_CLIENT);
-
     // DO NOT ADD CODE after this. The previous call to OnRequestFailed has
     // destroyed the NavigationRequest.
     return;
   }
 
   loader_->FollowRedirect();
 }
 
 void NavigationRequest::OnWillProcessResponseChecksComplete(
     NavigationThrottle::ThrottleCheckResult result) {
@@ skipping 48 matching lines @@
   DCHECK_EQ(request_params_.has_user_gesture, begin_params_.has_user_gesture);
 
   render_frame_host->CommitNavigation(response_.get(), std::move(body_),
                                       std::move(handle_), common_params_,
                                       request_params_, is_view_source_);
 
   frame_tree_node_->ResetNavigationRequest(true, true);
 }
 
 }  // namespace content