Use nullptr_t for RefPtr, PassRefPtr and RawPtr.

Source/core/inspector/InspectorTimelineAgent.cpp

 /*
 * Copyright (C) 2013 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:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
@@ skipping 775 matching lines @@
 {
     appendRecord(TimelineRecordFactory::createTimeStampData(message), TimelineRecordType::TimeEnd, true, frameForExecutionContext(context));
 }
 
 void InspectorTimelineAgent::consoleTimeline(ExecutionContext* context, const String& title, ScriptState* state)
 {
     if (!m_state->getBoolean(TimelineAgentState::enabled))
         return;
 
     String message = String::format("Timeline '%s' started.", title.utf8().data());
-    frameHost()->console().addMessage(ConsoleAPIMessageSource, DebugMessageLevel, message, String(), 0, 0, 0, state);
+    frameHost()->console().addMessage(ConsoleAPIMessageSource, DebugMessageLevel, message, String(), 0, 0, nullptr, state);
     m_consoleTimelines.append(title);
     if (!isStarted()) {
         innerStart();
         bool fromConsole = true;
         m_frontend->started(&fromConsole);
     }
     appendRecord(TimelineRecordFactory::createTimeStampData(message), TimelineRecordType::TimeStamp, true, frameForExecutionContext(context));
 }
 
 void InspectorTimelineAgent::consoleTimelineEnd(ExecutionContext* context, const String& title, ScriptState* state)
 {
     if (!m_state->getBoolean(TimelineAgentState::enabled))
         return;
 
     size_t index = m_consoleTimelines.find(title);
     if (index == kNotFound) {
         String message = String::format("Timeline '%s' was not started.", title.utf8().data());
-        frameHost()->console().addMessage(ConsoleAPIMessageSource, DebugMessageLevel, message, String(), 0, 0, 0, state);
+        frameHost()->console().addMessage(ConsoleAPIMessageSource, DebugMessageLevel, message, String(), 0, 0, nullptr, state);
         return;
     }
 
     String message = String::format("Timeline '%s' finished.", title.utf8().data());
     appendRecord(TimelineRecordFactory::createTimeStampData(message), TimelineRecordType::TimeStamp, true, frameForExecutionContext(context));
     m_consoleTimelines.remove(index);
     if (!m_consoleTimelines.size() && isStarted() && !m_state->getBoolean(TimelineAgentState::startedFromProtocol)) {
         unwindRecordStack();
         innerStop(true);
     }
-    frameHost()->console().addMessage(ConsoleAPIMessageSource, DebugMessageLevel, message, String(), 0, 0, 0, state);
+    frameHost()->console().addMessage(ConsoleAPIMessageSource, DebugMessageLevel, message, String(), 0, 0, nullptr, state);
 }
 
 void InspectorTimelineAgent::domContentLoadedEventFired(Frame* frame)
 {
     bool isMainFrame = frame && m_pageAgent && (frame == m_pageAgent->mainFrame());
     appendRecord(TimelineRecordFactory::createMarkData(isMainFrame), TimelineRecordType::MarkDOMContent, false, frame);
     if (isMainFrame)
         m_mayEmitFirstPaint = true;
 }
 
@@ skipping 454 matching lines @@
 
 #ifndef NDEBUG
 bool TimelineRecordStack::isOpenRecordOfType(const String& type)
 {
     return !m_stack.isEmpty() && m_stack.last().type == type;
 }
 #endif
 
 } // namespace WebCore