Oilpan: Prepare moving InspectorAgent related classes to oilpan

Source/core/inspector/InspectorRuntimeAgent.cpp

Index: Source/core/inspector/InspectorRuntimeAgent.cpp
diff --git a/Source/core/inspector/InspectorRuntimeAgent.cpp b/Source/core/inspector/InspectorRuntimeAgent.cpp
index 87a76cc2cb6e0138f8bb9f74bc70510dffee4ceb..063223e6856f64028df1d220fd70548742c96de4 100644
--- a/Source/core/inspector/InspectorRuntimeAgent.cpp
+++ b/Source/core/inspector/InspectorRuntimeAgent.cpp
@@ -64,6 +64,12 @@ InspectorRuntimeAgent::~InspectorRuntimeAgent()
 {
 }
 
+void InspectorRuntimeAgent::trace(Visitor* visitor)
+{
+    visitor->trace(m_injectedScriptManager);
+    InspectorBaseAgent::trace(visitor);
+}
+
 static ScriptDebugServer::PauseOnExceptionsState setPauseOnExceptionsState(ScriptDebugServer* scriptDebugServer, ScriptDebugServer::PauseOnExceptionsState newState)
 {
     ASSERT(scriptDebugServer);