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

Source/modules/filesystem/DOMWindowFileSystem.cpp

Index: Source/modules/filesystem/DOMWindowFileSystem.cpp
diff --git a/Source/modules/filesystem/DOMWindowFileSystem.cpp b/Source/modules/filesystem/DOMWindowFileSystem.cpp
index 13a7247e94dcce800f2e23357f6dfb6f2787e520..d04a6c76767aa74095063989d54797776521803e 100644
--- a/Source/modules/filesystem/DOMWindowFileSystem.cpp
+++ b/Source/modules/filesystem/DOMWindowFileSystem.cpp
@@ -42,14 +42,6 @@
 
 namespace blink {
 
-DOMWindowFileSystem::DOMWindowFileSystem()
-{
-}
-
-DOMWindowFileSystem::~DOMWindowFileSystem()
-{
-}
-
 void DOMWindowFileSystem::webkitRequestFileSystem(DOMWindow& windowArg, int type, long long size, FileSystemCallback* successCallback, ErrorCallback* errorCallback)
 {
     LocalDOMWindow& window = toLocalDOMWindow(windowArg);