Rename RFO::FrameWillClose() to reflect its actual purpose.

components/autofill/content/renderer/password_autofill_agent.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/renderer/password_autofill_agent.h"
 
 #include <stddef.h>
 
 #include <memory>
 #include <string>
@@ skipping 1041 matching lines @@
 }
 
 void PasswordAutofillAgent::DidFinishLoad() {
   // The |frame| contents have been rendered.  Let the PasswordManager know
   // which of the loaded frames are actually visible to the user.  This also
   // triggers the "Save password?" infobar if the user just submitted a password
   // form.
   SendPasswordForms(true);
 }
 
-void PasswordAutofillAgent::FrameWillClose() {
+void PasswordAutofillAgent::WillCommitProvisionalLoad() {
   FrameClosing();
 }
 
 void PasswordAutofillAgent::DidCommitProvisionalLoad(
     bool is_new_navigation, bool is_same_page_navigation) {
   if (is_same_page_navigation) {
     OnSamePageNavigationCompleted();
   }
 }
 
@@ skipping 428 matching lines @@
 PasswordAutofillAgent::GetPasswordManagerDriver() {
   if (!password_manager_driver_) {
     render_frame()->GetRemoteInterfaces()->GetInterface(
         mojo::GetProxy(&password_manager_driver_));
   }
 
   return password_manager_driver_;
 }
 
 }  // namespace autofill