Check for Renderer in SendAutofillTypePredictionsToRenderer

components/autofill/content/browser/autofill_driver_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 "components/autofill/content/browser/autofill_driver_impl.h"
 
 #include "base/command_line.h"
 #include "base/threading/sequenced_worker_pool.h"
 #include "components/autofill/content/common/autofill_messages.h"
 #include "components/autofill/core/browser/autofill_external_delegate.h"
@@ skipping 102 matching lines @@
   host->Send(
       new AutofillMsg_FormDataFilled(host->GetRoutingID(), query_id, data));
 }
 
 void AutofillDriverImpl::SendAutofillTypePredictionsToRenderer(
     const std::vector<FormStructure*>& forms) {
   if (!CommandLine::ForCurrentProcess()->HasSwitch(
       switches::kShowAutofillTypePredictions))
     return;
 
+  if (!RendererIsAvailable())
+    return;
   content::RenderViewHost* host = web_contents()->GetRenderViewHost();
-  if (!host)
-    return;
 
   std::vector<FormDataPredictions> type_predictions;
   FormStructure::GetFieldTypePredictions(forms, &type_predictions);
   host->Send(
       new AutofillMsg_FieldTypePredictionsAvailable(host->GetRoutingID(),
                                                     type_predictions));
 }
 
 void AutofillDriverImpl::RendererShouldAcceptDataListSuggestion(
     const base::string16& value) {
@@ skipping 95 matching lines @@
 void AutofillDriverImpl::NavigationEntryCommitted(
     const content::LoadCommittedDetails& load_details) {
   autofill_manager_->delegate()->HideAutofillPopup();
 }
 
 void AutofillDriverImpl::WasHidden() {
   autofill_manager_->delegate()->HideAutofillPopup();
 }
 
 }  // namespace autofill