Make WebContentsObserver::web_contents() public

components/autofill/content/browser/request_autocomplete_manager.cc

Index: components/autofill/content/browser/request_autocomplete_manager.cc
diff --git a/components/autofill/content/browser/request_autocomplete_manager.cc b/components/autofill/content/browser/request_autocomplete_manager.cc
index 31f20f1901f0b1bdf5d716e39b089ee6ef01d3a5..89c08bf7823ff9dbc28dcca21e1f39e509bfe101 100644
--- a/components/autofill/content/browser/request_autocomplete_manager.cc
+++ b/components/autofill/content/browser/request_autocomplete_manager.cc
@@ -66,13 +66,13 @@ void RequestAutocompleteManager::ReturnAutocompleteResult(
     AutofillClient::RequestAutocompleteResult result,
     const base::string16& debug_message,
     const FormStructure* form_structure) {
-  // autofill_driver_->GetWebContents() will be NULL when the interactive
+  // autofill_driver_->web_contents() will be NULL when the interactive
   // autocomplete is closed due to a tab or browser window closing.
-  if (!autofill_driver_->GetWebContents())
+  if (!autofill_driver_->web_contents())
     return;
 
   content::RenderViewHost* host =
-      autofill_driver_->GetWebContents()->GetRenderViewHost();
+      autofill_driver_->web_contents()->GetRenderViewHost();
   if (!host)
     return;