PlzNavigate: Invoke didFailProvisionalLoad() in the renderer when a navigation request is cancelled…

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 6551608a4d8b35f06e988e1b3b1ebc68316609ef..54dfada105a4171dfd4c105f4fa0abf9865e5789 100644
--- a/content/browser/frame_host/render_frame_host_impl.cc
+++ b/content/browser/frame_host/render_frame_host_impl.cc
@@ -2925,6 +2925,11 @@ void RenderFrameHostImpl::ClearFocusedElement() {
   Send(new FrameMsg_ClearFocusedElement(GetRoutingID()));
 }
 
+void RenderFrameHostImpl::AbortNavigationRequest(const GURL& url,
+                                                 int error_code) {
+  Send(new FrameMsg_AbortNavigationRequest(GetRoutingID(), url, error_code));
+}
+
 bool RenderFrameHostImpl::IsSameSiteInstance(
     RenderFrameHostImpl* other_render_frame_host) {
   // As a sanity check, make sure the frame belongs to the same BrowserContext.