[part 1] Make classes and structures in modules/ fast-allocated.

Source/modules/filesystem/WorkerGlobalScopeFileSystem.h

Index: Source/modules/filesystem/WorkerGlobalScopeFileSystem.h
diff --git a/Source/modules/filesystem/WorkerGlobalScopeFileSystem.h b/Source/modules/filesystem/WorkerGlobalScopeFileSystem.h
index 84a0d0f875dba8b3658f0194dfa2a514600d7f8b..dc45ec9d46c0a69306348bfaa2a6e6e8fb145bba 100644
--- a/Source/modules/filesystem/WorkerGlobalScopeFileSystem.h
+++ b/Source/modules/filesystem/WorkerGlobalScopeFileSystem.h
@@ -40,6 +40,7 @@ class FileSystemCallback;
 class WorkerGlobalScope;
 
 class WorkerGlobalScopeFileSystem {
+    STATIC_ONLY(WorkerGlobalScopeFileSystem);
 public:
     enum {
         TEMPORARY,
@@ -50,10 +51,6 @@ public:
     static DOMFileSystemSync* webkitRequestFileSystemSync(WorkerGlobalScope&, int type, long long size, ExceptionState&);
     static void webkitResolveLocalFileSystemURL(WorkerGlobalScope&, const String& url, EntryCallback* successCallback, ErrorCallback*);
     static EntrySync* webkitResolveLocalFileSystemSyncURL(WorkerGlobalScope&, const String& url, ExceptionState&);
-
-private:
-    WorkerGlobalScopeFileSystem();
-    ~WorkerGlobalScopeFileSystem();
 };
 
 } // namespace blink