Enable Oilpan by default in modules/filesystem/

Source/modules/filesystem/WorkerGlobalScopeFileSystem.cpp

Index: Source/modules/filesystem/WorkerGlobalScopeFileSystem.cpp
diff --git a/Source/modules/filesystem/WorkerGlobalScopeFileSystem.cpp b/Source/modules/filesystem/WorkerGlobalScopeFileSystem.cpp
index 9a45ff9b18cc152222ac5df3068afc8c8c6b224f..c5c41eca1ce41307beed76b72bce68024625a01e 100644
--- a/Source/modules/filesystem/WorkerGlobalScopeFileSystem.cpp
+++ b/Source/modules/filesystem/WorkerGlobalScopeFileSystem.cpp
@@ -62,7 +62,7 @@ void WorkerGlobalScopeFileSystem::webkitRequestFileSystem(WorkerGlobalScope& wor
     LocalFileSystem::from(worker)->requestFileSystem(&worker, fileSystemType, size, FileSystemCallbacks::create(successCallback, errorCallback, &worker, fileSystemType));
 }
 
-PassRefPtrWillBeRawPtr<DOMFileSystemSync> WorkerGlobalScopeFileSystem::webkitRequestFileSystemSync(WorkerGlobalScope& worker, int type, long long size, ExceptionState& exceptionState)
+DOMFileSystemSync* WorkerGlobalScopeFileSystem::webkitRequestFileSystemSync(WorkerGlobalScope& worker, int type, long long size, ExceptionState& exceptionState)
 {
     ExecutionContext* secureContext = worker.executionContext();
     if (!secureContext->securityOrigin()->canAccessFileSystem()) {
@@ -101,7 +101,7 @@ void WorkerGlobalScopeFileSystem::webkitResolveLocalFileSystemURL(WorkerGlobalSc
     LocalFileSystem::from(worker)->resolveURL(&worker, completedURL, ResolveURICallbacks::create(successCallback, errorCallback, &worker));
 }
 
-PassRefPtrWillBeRawPtr<EntrySync> WorkerGlobalScopeFileSystem::webkitResolveLocalFileSystemSyncURL(WorkerGlobalScope& worker, const String& url, ExceptionState& exceptionState)
+EntrySync* WorkerGlobalScopeFileSystem::webkitResolveLocalFileSystemSyncURL(WorkerGlobalScope& worker, const String& url, ExceptionState& exceptionState)
 {
     KURL completedURL = worker.completeURL(url);
     ExecutionContext* secureContext = worker.executionContext();
@@ -121,10 +121,7 @@ PassRefPtrWillBeRawPtr<EntrySync> WorkerGlobalScopeFileSystem::webkitResolveLoca
 
     LocalFileSystem::from(worker)->resolveURL(&worker, completedURL, callbacks.release());
 
-    RefPtrWillBeRawPtr<EntrySync> entry = resolveURLHelper->getResult(exceptionState);
-    if (!entry)
-        return nullptr;
-    return entry.release();
+    return resolveURLHelper->getResult(exceptionState);
 }
 
 COMPILE_ASSERT(static_cast<int>(WorkerGlobalScopeFileSystem::TEMPORARY) == static_cast<int>(FileSystemTypeTemporary), enum_mismatch);