PlzNavigate: stop navigations when opening a document for write

content/browser/frame_host/render_frame_host_impl.cc

Index: content/browser/frame_host/render_frame_host_impl.cc
diff --git a/content/browser/frame_host/render_frame_host_impl.cc b/content/browser/frame_host/render_frame_host_impl.cc
index 6f244fc522f20b59ad033139b4ab2b71d5f14cba..69d0e197ac1f936c0ed9fd310d9eec723bae152b 100644
--- a/content/browser/frame_host/render_frame_host_impl.cc
+++ b/content/browser/frame_host/render_frame_host_impl.cc
@@ -734,6 +734,7 @@ bool RenderFrameHostImpl::OnMessageReceived(const IPC::Message &msg) {
     IPC_MESSAGE_HANDLER(FrameHostMsg_UpdateEncoding, OnUpdateEncoding)
     IPC_MESSAGE_HANDLER(FrameHostMsg_BeginNavigation,
                         OnBeginNavigation)
+    IPC_MESSAGE_HANDLER(FrameHostMsg_AbortNavigation, OnAbortNavigation)
     IPC_MESSAGE_HANDLER(FrameHostMsg_DispatchLoad, OnDispatchLoad)
     IPC_MESSAGE_HANDLER(FrameHostMsg_TextSurroundingSelectionResponse,
                         OnTextSurroundingSelectionResponse)
@@ -1932,6 +1933,13 @@ void RenderFrameHostImpl::OnBeginNavigation(
       frame_tree_node(), validated_params, validated_begin_params);
 }
 
+void RenderFrameHostImpl::OnAbortNavigation() {
+  CHECK(IsBrowserSideNavigationEnabled());
+  if (!is_active())
+    return;
+  frame_tree_node()->navigator()->OnAbortNavigation(frame_tree_node());
+}
+
 void RenderFrameHostImpl::OnDispatchLoad() {
   CHECK(SiteIsolationPolicy::AreCrossProcessFramesPossible());