[Autofill] Register AutofillDriver mojo interface earlier.

components/autofill/content/browser/content_autofill_driver_factory.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 "components/autofill/content/browser/content_autofill_driver_factory.h"
 
 #include <vector>
 
 #include "base/memory/ptr_util.h"
 #include "base/stl_util.h"
@@ skipping 37 matching lines @@
                         new_factory.release());
 }
 
 // static
 ContentAutofillDriverFactory* ContentAutofillDriverFactory::FromWebContents(
     content::WebContents* contents) {
   return static_cast<ContentAutofillDriverFactory*>(contents->GetUserData(
       kContentAutofillDriverFactoryWebContentsUserDataKey));
 }
 
+// static
+void ContentAutofillDriverFactory::BindAutofillDriver(
+    content::RenderFrameHost* render_frame_host,
+    mojom::AutofillDriverRequest request) {
+  content::WebContents* web_contents =
+      content::WebContents::FromRenderFrameHost(render_frame_host);
+  // We try to bind to the driver of this render frame host,
+  // but if driver is not ready for this render frame host for now,
+  // the request will be just dropped, this would cause closing the message pipe
+  // which would raise connection error to peer side.
+  // Peer side could reconnect later when needed.
+  if (!web_contents)
+    return;
+
+  ContentAutofillDriverFactory* factory =
+      ContentAutofillDriverFactory::FromWebContents(web_contents);
+  if (!factory)
+    return;
+
+  ContentAutofillDriver* driver = factory->DriverForFrame(render_frame_host);
+  if (driver)
+    driver->BindRequest(std::move(request));
+}
+
 ContentAutofillDriverFactory::ContentAutofillDriverFactory(
     content::WebContents* web_contents,
     AutofillClient* client,
     const std::string& app_locale,
     AutofillManager::AutofillDownloadManagerState enable_download_manager)
     : content::WebContentsObserver(web_contents),
       client_(client),
       app_locale_(app_locale),
       enable_download_manager_(enable_download_manager) {}
 
@@ skipping 36 matching lines @@
     content::NavigationHandle* navigation_handle) {
   if (navigation_handle->HasCommitted())
     client_->HideAutofillPopup();
 }
 
 void ContentAutofillDriverFactory::WasHidden() {
   client_->HideAutofillPopup();
 }
 
 }  // namespace autofill