PlzNavigate: stop navigations when opening a document for write

content/renderer/render_frame_impl.cc

Index: content/renderer/render_frame_impl.cc
diff --git a/content/renderer/render_frame_impl.cc b/content/renderer/render_frame_impl.cc
index 361093328fa14c5bef4a6bdd64d30120784e44be..ad7bd1d3737630974b46d03576910f9af39d6115 100644
--- a/content/renderer/render_frame_impl.cc
+++ b/content/renderer/render_frame_impl.cc
@@ -1570,6 +1570,7 @@ bool RenderFrameImpl::OnMessageReceived(const IPC::Message& msg) {
                         OnTextTrackSettingsChanged)
     IPC_MESSAGE_HANDLER(FrameMsg_PostMessageEvent, OnPostMessageEvent)
     IPC_MESSAGE_HANDLER(FrameMsg_FailedNavigation, OnFailedNavigation)
+    IPC_MESSAGE_HANDLER(FrameMsg_DroppedNavigation, OnDroppedNavigation)
     IPC_MESSAGE_HANDLER(FrameMsg_GetSavableResourceLinks,
                         OnGetSavableResourceLinks)
     IPC_MESSAGE_HANDLER(FrameMsg_GetSerializedHtmlWithLocalLinks,
@@ -4026,6 +4027,10 @@ RenderFrameImpl::getEffectiveConnectionType() {
   return effective_connection_type_;
 }
 
+void RenderFrameImpl::abortClientNavigation() {
+  Send(new FrameHostMsg_AbortNavigation(routing_id_));
+}
+
 void RenderFrameImpl::didChangeSelection(bool is_empty_selection) {
   if (!GetRenderWidget()->input_handler().handling_input_event() &&
       !handling_select_range_)
@@ -5249,6 +5254,11 @@ void RenderFrameImpl::OnFailedNavigation(
   browser_side_navigation_pending_ = false;
 }
 
+void RenderFrameImpl::OnDroppedNavigation() {
+  browser_side_navigation_pending_ = false;
+  frame_->clientDroppedNavigation();
+}
+
 WebNavigationPolicy RenderFrameImpl::decidePolicyForNavigation(
     const NavigationPolicyInfo& info) {
   // A content initiated navigation may have originated from a link-click,