Oilpan: Prepare to move InspectorDatabaseResource to Oilpan heap.

Source/modules/webdatabase/InspectorDatabaseResource.cpp

Index: Source/modules/webdatabase/InspectorDatabaseResource.cpp
diff --git a/Source/modules/webdatabase/InspectorDatabaseResource.cpp b/Source/modules/webdatabase/InspectorDatabaseResource.cpp
index 95ff65b4e1e55150dc72a9b4954ced99c532ab3c..c44d6c565ecd78b306c1a641e66b1654b34888aa 100644
--- a/Source/modules/webdatabase/InspectorDatabaseResource.cpp
+++ b/Source/modules/webdatabase/InspectorDatabaseResource.cpp
@@ -38,9 +38,9 @@ namespace WebCore {
 
 static int nextUnusedId = 1;
 
-PassRefPtr<InspectorDatabaseResource> InspectorDatabaseResource::create(PassRefPtrWillBeRawPtr<Database> database, const String& domain, const String& name, const String& version)
+PassRefPtrWillBeRawPtr<InspectorDatabaseResource> InspectorDatabaseResource::create(PassRefPtrWillBeRawPtr<Database> database, const String& domain, const String& name, const String& version)
 {
-    return adoptRef(new InspectorDatabaseResource(database, domain, name, version));
+    return adoptRefWillBeNoop(new InspectorDatabaseResource(database, domain, name, version));
 }
 
 InspectorDatabaseResource::InspectorDatabaseResource(PassRefPtrWillBeRawPtr<Database> database, const String& domain, const String& name, const String& version)
@@ -52,6 +52,11 @@ InspectorDatabaseResource::InspectorDatabaseResource(PassRefPtrWillBeRawPtr<Data
 {
 }
 
+void InspectorDatabaseResource::trace(Visitor* visitor)
+{
+    visitor->trace(m_database);
+}
+
 void InspectorDatabaseResource::bind(InspectorFrontend::Database* frontend)
 {
     RefPtr<TypeBuilder::Database::Database> jsonObject = TypeBuilder::Database::Database::create()