Oilpan: fix build after r181083

Source/core/inspector/ConsoleMessageStorage.cpp

 // 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 "config.h"
 #include "core/inspector/ConsoleMessageStorage.h"
 
 #include "core/frame/LocalDOMWindow.h"
 #include "core/inspector/ConsoleMessage.h"
 #include "core/inspector/InspectorConsoleInstrumentation.h"
@@ skipping 10 matching lines @@
 {
 }
 
 ConsoleMessageStorage::ConsoleMessageStorage(LocalFrame* frame)
     : m_expiredCount(0)
     , m_context(nullptr)
     , m_frame(frame)
 {
 }
 
-void ConsoleMessageStorage::reportMessage(PassRefPtr<ConsoleMessage> prpMessage)
+void ConsoleMessageStorage::reportMessage(PassRefPtrWillBeRawPtr<ConsoleMessage> prpMessage)
 {
-    RefPtr<ConsoleMessage> message = prpMessage;
+    RefPtrWillBeRawPtr<ConsoleMessage> message = prpMessage;
     message->collectCallStack();
 
     InspectorInstrumentation::addMessageToConsole(executionContext(), message.get());
 
     m_messages.append(message);
     if (m_messages.size() >= maximumConsoleMessages) {
         m_expiredCount += expireConsoleMessagesStep;
         m_messages.remove(0, expireConsoleMessagesStep);
     }
 }
@@ skipping 16 matching lines @@
 {
     for (size_t i = 0; i < size(); ++i)
         at(i)->frameWindowDiscarded(window);
 }
 
 size_t ConsoleMessageStorage::size() const
 {
     return m_messages.size();
 }
 
-PassRefPtr<ConsoleMessage> ConsoleMessageStorage::at(size_t index) const
+PassRefPtrWillBeRawPtr<ConsoleMessage> ConsoleMessageStorage::at(size_t index) const
 {
     return m_messages[index];
 }
 
 int ConsoleMessageStorage::expiredCount() const
 {
     return m_expiredCount;
 }
 
 ExecutionContext* ConsoleMessageStorage::executionContext() const
 {
     return m_frame ? m_frame->document() : m_context;
 }
 
-} // namespace WebCore
+void ConsoleMessageStorage::trace(Visitor* visitor)
+{
+    visitor->trace(m_messages);
+    visitor->trace(m_context);
+}
+
+} // namespace blink