chrome/browser/password_manager: Change auto to not deduce raw pointers.

chrome/browser/password_manager/password_manager_browsertest.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 <string>
 #include <utility>
 
 #include "base/command_line.h"
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
@@ skipping 3002 matching lines @@
       content::WebContents::CreateParams(WebContents()->GetBrowserContext())));
   NavigationObserver observer(detached_web_contents.get());
   detached_web_contents->GetController().LoadURL(
       embedded_test_server()->GetURL("/password/multi_frames.html"),
       content::Referrer(), ::ui::PAGE_TRANSITION_AUTO_TOPLEVEL, std::string());
   observer.Wait();
   // Ensure that there is at least one more frame created than just the main
   // frame.
   EXPECT_LT(1u, detached_web_contents->GetAllFrames().size());
 
-  auto tab_strip_model = browser()->tab_strip_model();
+  auto* tab_strip_model = browser()->tab_strip_model();
   // Check that the autofill and password manager driver factories are notified
   // about all frames, not just the main one. The factories should receive
   // messages for non-main frames, in particular
   // AutofillHostMsg_PasswordFormsParsed. If that were the first time the
   // factories hear about such frames, this would crash.
   tab_strip_model->AddWebContents(detached_web_contents.release(), -1,
                                   ::ui::PAGE_TRANSITION_AUTO_TOPLEVEL,
                                   TabStripModel::ADD_ACTIVE);
 }
 
 }  // namespace password_manager