Fix a memory leak in PasswordGenerationManager.

chrome/renderer/autofill/password_generation_manager.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 "chrome/renderer/autofill/password_generation_manager.h"
 
 #include "base/logging.h"
 #include "chrome/common/autofill_messages.h"
 #include "chrome/common/net/gaia/gaia_urls.h"
 #include "chrome/common/password_generation_util.h"
@@ skipping 147 matching lines @@
 WebKit::WebCString PasswordGenerationManager::imageNameForDisabledState() {
   return imageNameForNormalState();
 }
 
 WebKit::WebCString PasswordGenerationManager::imageNameForReadOnlyState() {
   return imageNameForNormalState();
 }
 
 void PasswordGenerationManager::handleClick(WebKit::WebInputElement& element) {
   gfx::Rect rect(element.decorationElementFor(this).boundsInViewportSpace());
-  webkit::forms::PasswordForm* password_form(
+  scoped_ptr<webkit::forms::PasswordForm> password_form(
       webkit::forms::PasswordFormDomManager::CreatePasswordForm(
           element.form()));
-  if (password_form) {
+  if (password_form.get()) {
     Send(new AutofillHostMsg_ShowPasswordGenerationPopup(routing_id(),
                                                          rect,
                                                          element.maxLength(),
                                                          *password_form));
     password_generation::LogPasswordGenerationEvent(
         password_generation::BUBBLE_SHOWN);
   }
 }
 
 void PasswordGenerationManager::willDetach(
@@ skipping 53 matching lines @@
       passwords_[0].decorationElementFor(this).setAttribute("style",
                                                             "display:block");
       password_generation::LogPasswordGenerationEvent(
           password_generation::ICON_SHOWN);
       return;
     }
   }
 }
 
 }  // namespace autofill