Oilpan: add transition types to FileSystem APIs.

Source/modules/filesystem/DirectoryReaderSync.cpp

Index: Source/modules/filesystem/DirectoryReaderSync.cpp
diff --git a/Source/modules/filesystem/DirectoryReaderSync.cpp b/Source/modules/filesystem/DirectoryReaderSync.cpp
index 5f83d945020165d9e959fcf362ebc5b01de316c0..6c571bb7d1555247e6e2d09b57bd1625e830226b 100644
--- a/Source/modules/filesystem/DirectoryReaderSync.cpp
+++ b/Source/modules/filesystem/DirectoryReaderSync.cpp
@@ -41,22 +41,22 @@
 
 namespace WebCore {
 
-DirectoryReaderSync::DirectoryReaderSync(PassRefPtr<DOMFileSystemBase> fileSystem, const String& fullPath)
+DirectoryReaderSync::DirectoryReaderSync(PassRefPtrWillBeRawPtr<DOMFileSystemBase> fileSystem, const String& fullPath)
     : DirectoryReaderBase(fileSystem, fullPath)
 {
     ScriptWrappable::init(this);
 }
 
-EntrySyncVector DirectoryReaderSync::readEntries(ExceptionState& exceptionState)
+EntrySyncHeapVector DirectoryReaderSync::readEntries(ExceptionState& exceptionState)
 {
     if (!m_hasMoreEntries)
-        return EntrySyncVector();
+        return EntrySyncHeapVector();
 
     EntriesSyncCallbackHelper helper;
     if (!m_fileSystem->readDirectory(this, m_fullPath, helper.successCallback(), helper.errorCallback(), DOMFileSystemBase::Synchronous)) {
         exceptionState.throwDOMException(InvalidModificationError, "Failed to read the directory.");
         setHasMoreEntries(false);
-        return EntrySyncVector();
+        return EntrySyncHeapVector();
     }
     return helper.getResult(exceptionState);
 }