Update modules classes to use OVERRIDE / FINAL when needed

Source/modules/filesystem/FileEntry.h

Index: Source/modules/filesystem/FileEntry.h
diff --git a/Source/modules/filesystem/FileEntry.h b/Source/modules/filesystem/FileEntry.h
index 1bb3d488e69858736677a8314fe3291365da25f9..acfcda3c9d530309d924e681fb7e6105c43cfea6 100644
--- a/Source/modules/filesystem/FileEntry.h
+++ b/Source/modules/filesystem/FileEntry.h
@@ -39,7 +39,7 @@ class DOMFileSystemBase;
 class FileCallback;
 class FileWriterCallback;
 
-class FileEntry : public Entry {
+class FileEntry FINAL : public Entry {
 public:
     static PassRefPtr<FileEntry> create(PassRefPtr<DOMFileSystemBase> fileSystem, const String& fullPath)
     {
@@ -49,7 +49,7 @@ public:
     void createWriter(PassOwnPtr<FileWriterCallback>, PassOwnPtr<ErrorCallback> = nullptr);
     void file(PassOwnPtr<FileCallback>, PassOwnPtr<ErrorCallback> = nullptr);
 
-    virtual bool isFile() const { return true; }
+    virtual bool isFile() const OVERRIDE { return true; }
 
 private:
     FileEntry(PassRefPtr<DOMFileSystemBase>, const String& fullPath);