PlzNavigate: inform the WebFrameClient that a form will be submitted

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 "base/command_line.h"
 #include "base/metrics/histogram.h"
 #include "base/time/time.h"
 #include "content/browser/frame_host/frame_tree.h"
@@ skipping 658 matching lines @@
   NavigationRequest* ongoing_navigation_request =
       frame_tree_node->navigation_request();
 
   // The renderer-initiated navigation request is ignored iff a) there is an
   // ongoing request b) which is browser or user-initiated and c) the renderer
   // request is not user-initiated.
   if (ongoing_navigation_request &&
       (ongoing_navigation_request->browser_initiated() ||
        ongoing_navigation_request->begin_params().has_user_gesture) &&
       !begin_params.has_user_gesture) {
+    // Inform the renderer that its request will not be treated.
+    frame_tree_node->current_frame_host()->Stop();
     return;
   }
 
   // In all other cases the current navigation, if any, is canceled and a new
   // NavigationRequest is created for the node.
   frame_tree_node->CreatedNavigationRequest(
       NavigationRequest::CreateRendererInitiated(
           frame_tree_node, common_params, begin_params, body,
           controller_->GetLastCommittedEntryIndex(),
           controller_->GetEntryCount()));
@@ skipping 91 matching lines @@
   navigation_request->TransferNavigationHandleOwnership(render_frame_host);
   render_frame_host->FailedNavigation(navigation_request->common_params(),
                                       navigation_request->request_params(),
                                       has_stale_copy_in_cache, error_code);
 }
 
 // PlzNavigate
 void NavigatorImpl::CancelNavigation(FrameTreeNode* frame_tree_node) {
   CHECK(base::CommandLine::ForCurrentProcess()->HasSwitch(
       switches::kEnableBrowserSideNavigation));
+  NavigationRequest* navigation_request = frame_tree_node->navigation_request();
+
+  // If the navigation was renderer-initiated, the renderer expects the browser
+  // to be treating it. Inform the renderer that the navigation is no longer
+  // ongoing.
+  if (navigation_request && !navigation_request->browser_initiated())
+    frame_tree_node->current_frame_host()->Stop();
+
   frame_tree_node->ResetNavigationRequest(false);
   if (frame_tree_node->IsMainFrame())
     navigation_data_.reset();
 }
 
 void NavigatorImpl::LogResourceRequestTime(
     base::TimeTicks timestamp, const GURL& url) {
   if (navigation_data_ && navigation_data_->url_ == url) {
     navigation_data_->url_job_start_time_ = timestamp;
     UMA_HISTOGRAM_TIMES(
@@ skipping 153 matching lines @@
       entry->set_should_replace_entry(pending_entry->should_replace_entry());
       entry->SetRedirectChain(pending_entry->GetRedirectChain());
     }
     controller_->SetPendingEntry(entry.Pass());
     if (delegate_)
       delegate_->NotifyChangedNavigationState(content::INVALIDATE_TYPE_URL);
   }
 }
 
 }  // namespace content