Enable Oilpan by default in modules/filesystem/

Source/modules/filesystem/DOMFileSystemSync.cpp

Index: Source/modules/filesystem/DOMFileSystemSync.cpp
diff --git a/Source/modules/filesystem/DOMFileSystemSync.cpp b/Source/modules/filesystem/DOMFileSystemSync.cpp
index 7504be47fc04cb25cbb9612f61041b589e490db8..ebb16c92ace9bb227a85d06e66a9558ee615d947 100644
--- a/Source/modules/filesystem/DOMFileSystemSync.cpp
+++ b/Source/modules/filesystem/DOMFileSystemSync.cpp
@@ -50,9 +50,9 @@ namespace WebCore {
 
 class FileWriterBase;
 
-PassRefPtrWillBeRawPtr<DOMFileSystemSync> DOMFileSystemSync::create(DOMFileSystemBase* fileSystem)
+DOMFileSystemSync* DOMFileSystemSync::create(DOMFileSystemBase* fileSystem)
 {
-    return adoptRefWillBeRefCountedGarbageCollected(new DOMFileSystemSync(fileSystem->m_context, fileSystem->name(), fileSystem->type(), fileSystem->rootURL()));
+    return new DOMFileSystemSync(fileSystem->m_context, fileSystem->name(), fileSystem->type(), fileSystem->rootURL());
 }
 
 DOMFileSystemSync::DOMFileSystemSync(ExecutionContext* context, const String& name, FileSystemType type, const KURL& rootURL)
@@ -70,7 +70,7 @@ void DOMFileSystemSync::reportError(PassOwnPtr<ErrorCallback> errorCallback, Pas
     errorCallback->handleEvent(fileError.get());
 }
 
-PassRefPtrWillBeRawPtr<DirectoryEntrySync> DOMFileSystemSync::root()
+DirectoryEntrySync* DOMFileSystemSync::root()
 {
     return DirectoryEntrySync::create(this, DOMFilePath::root);
 }