PlzNavigate: stop navigations when opening a document for write

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 462 matching lines @@
 
   // For non browser initiated navigations we need to check if the source has
   // access to the URL. We always allow browser initiated requests.
   // TODO(clamy): Kill the renderer if FilterURL fails?
   GURL url = common_params_.url;
   if (!browser_initiated_ && source_site_instance()) {
     source_site_instance()->GetProcess()->FilterURL(false, &url);
     // FilterURL sets the URL to about:blank if the CSP checks prevent the
     // renderer from accessing it.
     if ((url == url::kAboutBlankURL) && (url != common_params_.url)) {
-      frame_tree_node_->ResetNavigationRequest(false);
+      frame_tree_node_->ResetNavigationRequest(false, true);
       return;
     }
   }
 
   // It's safe to use base::Unretained because this NavigationRequest owns the
   // NavigationHandle where the callback will be stored.
   // TODO(clamy): pass the real value for |is_external_protocol| if needed.
   navigation_handle_->WillRedirectRequest(
       common_params_.url, common_params_.method, common_params_.referrer.url,
       false, response->head.headers, response->head.connection_info,
@@ skipping 58 matching lines @@
       render_frame_host != frame_tree_node_->current_frame_host()) {
     // Reset the source location information if the navigation will not commit
     // in the current renderer process. This information originated in another
     // process (the current one), it should not be transferred to the new one.
     common_params_.source_location.reset();
 
     // Allow the embedder to cancel the cross-process commit if needed.
     // TODO(clamy): Rename ShouldTransferNavigation once PlzNavigate ships.
     if (!frame_tree_node_->navigator()->GetDelegate()->ShouldTransferNavigation(
             frame_tree_node_->IsMainFrame())) {
-      frame_tree_node_->ResetNavigationRequest(false);
+      frame_tree_node_->ResetNavigationRequest(false, true);
       return;
     }
   }
 
   if (navigation_data)
     navigation_handle_->set_navigation_data(std::move(navigation_data));
 
   // Store the response and the StreamHandle until checks have been processed.
   response_ = response;
   body_ = std::move(body);
@@ skipping 18 matching lines @@
   // WebUI backend won't find a handler for them. They will be processed in the
   // renderer, however do not discard the pending entry so that the URL bar
   // shows them correctly.
   if (!IsRendererDebugURL(common_params_.url)) {
     frame_tree_node_->navigator()->DiscardPendingEntryIfNeeded(
         navigation_handle_.get());
   }
 
   // If the request was canceled by the user do not show an error page.
   if (net_error == net::ERR_ABORTED) {
-    frame_tree_node_->ResetNavigationRequest(false);
+    frame_tree_node_->ResetNavigationRequest(false, true);
     return;
   }
 
   // There are two types of error pages that need to be handled differently.
   // * Error pages resulting from blocking the request, because the original
   //   document wasn't even allowed to make the request. In such case,
   //   the error pages should be committed in the process of the original
   //   document, to avoid creating a process for the destination.
   // * Error pages resulting from either network outage (no network, DNS
   //   error, etc) or similar cases, where the user can reasonably expect that
@@ skipping 214 matching lines @@
              frame_tree_node_->render_manager()->speculative_frame_host());
 
   TransferNavigationHandleOwnership(render_frame_host);
 
   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);
+  frame_tree_node_->ResetNavigationRequest(true, true);
 }
 
 }  // namespace content