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

chrome/browser/password_manager/native_backend_libsecret_unittest.cc

 // Copyright (c) 2015 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 <stdarg.h>
 #include <stddef.h>
 #include <stdint.h>
 
 #include "base/location.h"
 #include "base/single_thread_task_runner.h"
@@ skipping 144 matching lines @@
       uint32_t intvalue = va_arg(ap, uint32_t);
       VLOG(1) << "Adding item attribute " << name << ", value " << intvalue;
       value = g_strdup_printf("%u", intvalue);
     }
     g_hash_table_insert(attributes, g_strdup(name), value);
   }
   va_end(ap);
 
   ScopedVector<MockSecretItem> kept_mock_libsecret_items;
   kept_mock_libsecret_items.reserve(global_mock_libsecret_items->size());
-  for (auto& item : *global_mock_libsecret_items) {
+  for (auto*& item : *global_mock_libsecret_items) {
     if (!Matches(item, attributes)) {
       kept_mock_libsecret_items.push_back(item);
       item = nullptr;
     }
   }
   global_mock_libsecret_items->swap(kept_mock_libsecret_items);
 
   g_hash_table_unref(attributes);
   return
       global_mock_libsecret_items->size() != kept_mock_libsecret_items.size();
@@ skipping 712 matching lines @@
 TEST_F(NativeBackendLibsecretTest, DisableAutoSignInForOrigins) {
   NativeBackendLibsecret backend(42);
   backend.Init();
   form_google_.skip_zero_click = false;
   form_facebook_.skip_zero_click = false;
 
   VerifiedAdd(&backend, form_google_);
   VerifiedAdd(&backend, form_facebook_);
 
   EXPECT_EQ(2u, global_mock_libsecret_items->size());
-  for (const auto& item : *global_mock_libsecret_items)
+  for (auto* item : *global_mock_libsecret_items)
     CheckUint32Attribute(item, "should_skip_zero_click", 0);
 
   // Set the canonical forms to the updated value for the following comparison.
   form_google_.skip_zero_click = true;
   form_facebook_.skip_zero_click = true;
   PasswordStoreChangeList expected_changes;
   expected_changes.push_back(
       PasswordStoreChange(PasswordStoreChange::UPDATE, form_facebook_));
 
   PasswordStoreChangeList changes;
@@ skipping 65 matching lines @@
   EXPECT_EQ(form_google_, *form_list[0]);
 
   EXPECT_EQ(1u, global_mock_libsecret_items->size());
   if (!global_mock_libsecret_items->empty()) {
     CheckMockSecretItem((*global_mock_libsecret_items)[0], form_google_,
                         "chrome-42");
   }
 }
 
 // TODO(mdm): add more basic tests here at some point.