Oilpan: Prepare moving InspectorController and InspectorAgents to oilpan.

Source/modules/indexeddb/InspectorIndexedDBAgent.cpp

Index: Source/modules/indexeddb/InspectorIndexedDBAgent.cpp
diff --git a/Source/modules/indexeddb/InspectorIndexedDBAgent.cpp b/Source/modules/indexeddb/InspectorIndexedDBAgent.cpp
index b7bb26da37caad54ba173df6c2965492cbb03206..fdd2f0627bca60877a048c765583c4d29419add2 100644
--- a/Source/modules/indexeddb/InspectorIndexedDBAgent.cpp
+++ b/Source/modules/indexeddb/InspectorIndexedDBAgent.cpp
@@ -554,7 +554,7 @@ LocalFrame* findFrameWithSecurityOrigin(Page* page, const String& securityOrigin
 
 void InspectorIndexedDBAgent::provideTo(Page* page)
 {
-    OwnPtr<InspectorIndexedDBAgent> agent(adoptPtr(new InspectorIndexedDBAgent(page)));
+    OwnPtrWillBeRawPtr<InspectorIndexedDBAgent> agent(adoptPtrWillBeNoop(new InspectorIndexedDBAgent(page)));
     page->inspectorController().registerModuleAgent(agent.release());
 }
 
@@ -774,4 +774,10 @@ void InspectorIndexedDBAgent::clearObjectStore(ErrorString* errorString, const S
     clearObjectStore->start(idbFactory, document->securityOrigin(), databaseName);
 }
 
+void InspectorIndexedDBAgent::trace(Visitor* visitor)
+{
+    visitor->trace(m_page);
+    InspectorBaseAgent::trace(visitor);
+}
+
 } // namespace blink