Oilpan: Fix compile after r200678.

Source/core/inspector/InspectorDebuggerAgent.cpp

 /*
  * Copyright (C) 2010 Apple Inc. All rights reserved.
  * 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:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 20 matching lines @@
 #include "core/inspector/InspectorDebuggerAgent.h"
 
 #include "bindings/core/v8/V8Binding.h"
 #include "core/inspector/ScriptAsyncCallStack.h"
 #include "core/inspector/v8/V8Debugger.h"
 
 namespace blink {
 
 InspectorDebuggerAgent::InspectorDebuggerAgent(InjectedScriptManager* injectedScriptManager, V8Debugger* debugger, int contextGroupId)
     : InspectorBaseAgent<InspectorDebuggerAgent, InspectorFrontend::Debugger>("Debugger")
-    , m_v8DebuggerAgent(adoptPtr(new V8DebuggerAgent(injectedScriptManager, debugger, this, contextGroupId)))
+    , m_v8DebuggerAgent(adoptPtrWillBeNoop(new V8DebuggerAgent(injectedScriptManager, debugger, this, contextGroupId)))
 {
 }
 
 InspectorDebuggerAgent::~InspectorDebuggerAgent()
 {
 #if !ENABLE(OILPAN)
     ASSERT(!m_instrumentingAgents->inspectorDebuggerAgent());
 #endif
 }
 
+DEFINE_TRACE(InspectorDebuggerAgent)
+{
+    visitor->trace(m_v8DebuggerAgent);
+    InspectorBaseAgent<InspectorDebuggerAgent, InspectorFrontend::Debugger>::trace(visitor);
+}
+
 // Protocol implementation.
 void InspectorDebuggerAgent::enable(ErrorString* errorString)
 {
     m_v8DebuggerAgent->enable(errorString);
 }
 
 void InspectorDebuggerAgent::disable(ErrorString* errorString)
 {
     m_v8DebuggerAgent->disable(errorString);
 }
@@ skipping 248 matching lines @@
 {
     m_v8DebuggerAgent->clearFrontend();
 }
 
 void InspectorDebuggerAgent::restore()
 {
     m_v8DebuggerAgent->restore();
 }
 
 } // namespace blink