Oilpan: Prepare moving InspectorController and InspectorAgents to oilpan.

Source/core/inspector/InspectorBaseAgent.cpp

Index: Source/core/inspector/InspectorBaseAgent.cpp
diff --git a/Source/core/inspector/InspectorBaseAgent.cpp b/Source/core/inspector/InspectorBaseAgent.cpp
index e1b4e8abba2be36bf385cb664eba49da646358b2..e8144121e974b4a8949e13e27366558e6a42cd3f 100644
--- a/Source/core/inspector/InspectorBaseAgent.cpp
+++ b/Source/core/inspector/InspectorBaseAgent.cpp
@@ -58,7 +58,7 @@ InspectorAgentRegistry::InspectorAgentRegistry(InstrumentingAgents* instrumentin
 {
 }
 
-void InspectorAgentRegistry::append(PassOwnPtr<InspectorAgent> agent)
+void InspectorAgentRegistry::append(PassOwnPtrWillBeRawPtr<InspectorAgent> agent)
 {
     agent->appended(m_instrumentingAgents, m_inspectorState->createAgentState(agent->name()));
     m_agents.append(agent);
@@ -100,5 +100,12 @@ void InspectorAgentRegistry::flushPendingFrontendMessages()
         m_agents[i]->flushPendingFrontendMessages();
 }
 
+void InspectorAgentRegistry::trace(Visitor* visitor)
+{
+#if ENABLE(OILPAN)
+    visitor->trace(m_agents);
+#endif
+}
+
 } // namespace WebCore