[Password Manager Cleanup] Replaces NULL -> nullptr.

components/password_manager/core/browser/password_syncable_service.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/password_manager/core/browser/password_syncable_service.h"
 
 #include "base/auto_reset.h"
 #include "base/location.h"
 #include "base/memory/scoped_vector.h"
 #include "base/metrics/histogram.h"
@@ skipping 95 matching lines @@
   ScopedVector<autofill::PasswordForm>* EntriesForChangeType(
       syncer::SyncChange::SyncChangeType type) {
     switch (type) {
       case syncer::SyncChange::ACTION_ADD:
         return &new_entries;
       case syncer::SyncChange::ACTION_UPDATE:
         return &updated_entries;
       case syncer::SyncChange::ACTION_DELETE:
         return &deleted_entries;
       case syncer::SyncChange::ACTION_INVALID:
-        return NULL;
+        return nullptr;
     }
     NOTREACHED();
-    return NULL;
+    return nullptr;
   }
 
   // List that contains the entries that are known only to sync.
   ScopedVector<autofill::PasswordForm> new_entries;
 
   // List that contains the entries that are known to both sync and the local
   // database but have updates in sync. They need to be updated in the local
   // database.
   ScopedVector<autofill::PasswordForm> updated_entries;
 
@@ skipping 93 matching lines @@
 
   sync_processor_.reset();
   sync_error_factory_.reset();
 }
 
 syncer::SyncDataList PasswordSyncableService::GetAllSyncData(
     syncer::ModelType type) const {
   DCHECK(CalledOnValidThread());
   DCHECK_EQ(syncer::PASSWORDS, type);
   ScopedVector<autofill::PasswordForm> password_entries;
-  ReadFromPasswordStore(&password_entries, NULL);
+  ReadFromPasswordStore(&password_entries, nullptr);
 
   syncer::SyncDataList sync_data;
   for (PasswordForms::iterator it = password_entries.begin();
        it != password_entries.end(); ++it) {
     sync_data.push_back(SyncDataFromPassword(**it));
   }
   return sync_data;
 }
 
 syncer::SyncError PasswordSyncableService::ProcessSyncChanges(
@@ skipping 247 matching lines @@
 
 std::string MakePasswordSyncTag(const autofill::PasswordForm& password) {
   return (net::EscapePath(password.origin.spec()) + "|" +
           net::EscapePath(base::UTF16ToUTF8(password.username_element)) + "|" +
           net::EscapePath(base::UTF16ToUTF8(password.username_value)) + "|" +
           net::EscapePath(base::UTF16ToUTF8(password.password_element)) + "|" +
           net::EscapePath(password.signon_realm));
 }
 
 }  // namespace password_manager