Use nullptr_t for RefPtr, PassRefPtr and RawPtr.

Source/modules/indexeddb/IDBRequest.cpp

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 46 matching lines @@
 IDBRequest::IDBRequest(ExecutionContext* context, PassRefPtr<IDBAny> source, IDBTransaction* transaction)
     : ActiveDOMObject(context)
     , m_contextStopped(false)
     , m_transaction(transaction)
     , m_readyState(PENDING)
     , m_requestAborted(false)
     , m_source(source)
     , m_hasPendingActivity(true)
     , m_cursorType(IndexedDB::CursorKeyAndValue)
     , m_cursorDirection(blink::WebIDBCursor::Next)
-    , m_pendingCursor(0)
+    , m_pendingCursor(nullptr)
     , m_didFireUpgradeNeededEvent(false)
     , m_preventPropagation(false)
     , m_resultDirty(true)
     , m_requestState(context)
 {
     ScriptWrappable::init(this);
 }
 
 IDBRequest::~IDBRequest()
 {
     ASSERT(m_readyState == DONE || m_readyState == EarlyDeath || !executionContext());
 }
 
 ScriptValue IDBRequest::result(ExceptionState& exceptionState)
 {
     if (m_readyState != DONE) {
         exceptionState.throwDOMException(InvalidStateError, IDBDatabase::requestNotFinishedErrorMessage);
         return ScriptValue();
     }
     m_resultDirty = false;
     return idbAnyToScriptValue(&m_requestState, m_result);
 }
 
 PassRefPtr<DOMError> IDBRequest::error(ExceptionState& exceptionState) const
 {
     if (m_readyState != DONE) {
         exceptionState.throwDOMException(InvalidStateError, IDBDatabase::requestNotFinishedErrorMessage);
-        return 0;
+        return nullptr;
     }
     return m_error;
 }
 
 ScriptValue IDBRequest::source(ExecutionContext* context) const
 {
     DOMRequestState requestState(context);
     return idbAnyToScriptValue(&requestState, m_source);
 }
 
@@ skipping 45 matching lines @@
 void IDBRequest::setPendingCursor(PassRefPtr<IDBCursor> cursor)
 {
     ASSERT(m_readyState == DONE);
     ASSERT(executionContext());
     ASSERT(m_transaction);
     ASSERT(!m_pendingCursor);
     ASSERT(cursor == getResultCursor());
 
     m_hasPendingActivity = true;
     m_pendingCursor = cursor;
-    setResult(PassRefPtr<IDBAny>(0));
+    setResult(PassRefPtr<IDBAny>(nullptr));
     m_readyState = PENDING;
     m_error.clear();
     m_transaction->registerRequest(this);
 }
 
 IDBCursor* IDBRequest::getResultCursor() const
 {
     if (!m_result)
         return 0;
     if (m_result->type() == IDBAny::IDBCursorType)
@@ skipping 113 matching lines @@
 
 #ifndef NDEBUG
 static PassRefPtr<IDBObjectStore> effectiveObjectStore(PassRefPtr<IDBAny> source)
 {
     if (source->type() == IDBAny::IDBObjectStoreType)
         return source->idbObjectStore();
     if (source->type() == IDBAny::IDBIndexType)
         return source->idbIndex()->objectStore();
 
     ASSERT_NOT_REACHED();
-    return 0;
+    return nullptr;
 }
 #endif
 
 void IDBRequest::onSuccess(PassRefPtr<SharedBuffer> prpValueBuffer, PassRefPtr<IDBKey> prpPrimaryKey, const IDBKeyPath& keyPath)
 {
     IDB_TRACE("IDBRequest::onSuccess(SharedBuffer, IDBKey, IDBKeyPath)");
     if (!shouldEnqueueEvent())
         return;
 
 #ifndef NDEBUG
@@ skipping 210 matching lines @@
 
 void IDBRequest::dequeueEvent(Event* event)
 {
     for (size_t i = 0; i < m_enqueuedEvents.size(); ++i) {
         if (m_enqueuedEvents[i].get() == event)
             m_enqueuedEvents.remove(i);
     }
 }
 
 } // namespace WebCore