Fix a memory leak in PasswordGenerationManager.

content/public/renderer/document_state.cc

 // Copyright (c) 2012 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 "content/public/renderer/document_state.h"
 
 #include "content/public/renderer/navigation_state.h"
 #include "webkit/forms/password_form.h"
 #include "webkit/glue/alt_error_page_resource_fetcher.h"
 
@@ skipping 13 matching lines @@
       was_referred_by_prefetcher_(false),
       load_type_(UNDEFINED_LOAD),
       cache_policy_override_set_(false),
       cache_policy_override_(WebKit::WebURLRequest::UseProtocolCachePolicy),
       referrer_policy_set_(false),
       referrer_policy_(WebKit::WebReferrerPolicyDefault) {
 }
 
 DocumentState::~DocumentState() {}
 
-void DocumentState::set_password_form_data(webkit::forms::PasswordForm* data) {
-  password_form_data_.reset(data);
+void DocumentState::set_password_form_data(
+    scoped_ptr<webkit::forms::PasswordForm> data) {
+  password_form_data_.reset(data.release());
 }
 
 void DocumentState::set_alt_error_page_fetcher(
     webkit_glue::AltErrorPageResourceFetcher* f) {
   alt_error_page_fetcher_.reset(f);
 }
 
 void DocumentState::set_navigation_state(NavigationState* navigation_state) {
   navigation_state_.reset(navigation_state);
 }
 
 }  // namespace content