[Autofill] Migrate ContentPasswordManagerDriver<-->Password{Autofill,Generation}Agent IPCs to mojo.

components/autofill/content/browser/content_autofill_driver.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.h"
 
 #include <utility>
 
 #include "base/command_line.h"
 #include "base/threading/sequenced_worker_pool.h"
 #include "components/autofill/content/browser/content_autofill_driver_factory.h"
-#include "components/autofill/content/common/autofill_messages.h"
 #include "components/autofill/core/browser/autofill_client.h"
 #include "components/autofill/core/browser/autofill_external_delegate.h"
 #include "components/autofill/core/browser/autofill_manager.h"
 #include "components/autofill/core/browser/form_structure.h"
 #include "components/autofill/core/common/autofill_switches.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/navigation_controller.h"
 #include "content/public/browser/navigation_details.h"
 #include "content/public/browser/render_frame_host.h"
@@ skipping 224 matching lines @@
   autofill_manager_ = std::move(manager);
   autofill_manager_->SetExternalDelegate(&autofill_external_delegate_);
 }
 
 void ContentAutofillDriver::NotifyFirstUserGestureObservedInTab() {
   GetAutofillAgent()->FirstUserGestureObservedInTab();
 }
 
 const mojom::AutofillAgentPtr& ContentAutofillDriver::GetAutofillAgent() {
   // Here is a lazy binding, and will not reconnect after connection error.
-  if (!mojo_autofill_agent_) {
+  if (!autofill_agent_) {
     render_frame_host_->GetRemoteInterfaces()->GetInterface(
-        mojo::GetProxy(&mojo_autofill_agent_));
+        mojo::GetProxy(&autofill_agent_));
   }
 
-  return mojo_autofill_agent_;
+  return autofill_agent_;
 }
 
 }  // namespace autofill