Oilpan: enable appcache + move DocumentLoader to the heap.

Source/core/loader/appcache/ApplicationCache.h

Index: Source/core/loader/appcache/ApplicationCache.h
diff --git a/Source/core/loader/appcache/ApplicationCache.h b/Source/core/loader/appcache/ApplicationCache.h
index d21e71533b7724603e9dc7d8f5f44205aeae0bfd..9e129eee45c2b275ea70747ac7ff93c08a5f71ed 100644
--- a/Source/core/loader/appcache/ApplicationCache.h
+++ b/Source/core/loader/appcache/ApplicationCache.h
@@ -39,14 +39,14 @@ namespace blink {
 class ExceptionState;
 class LocalFrame;
 
-class ApplicationCache final : public EventTargetWithInlineData, public RefCountedWillBeNoBase<ApplicationCache>, public DOMWindowProperty {
+class ApplicationCache final : public RefCountedGarbageCollectedEventTargetWithInlineData<ApplicationCache>, public DOMWindowProperty {
     DEFINE_WRAPPERTYPEINFO();
-    REFCOUNTED_EVENT_TARGET(ApplicationCache);
+    REFCOUNTED_GARBAGE_COLLECTED_EVENT_TARGET(ApplicationCache);
     WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(ApplicationCache);
 public:
-    static PassRefPtrWillBeRawPtr<ApplicationCache> create(LocalFrame* frame)
+    static ApplicationCache* create(LocalFrame* frame)
     {
-        return adoptRefWillBeNoop(new ApplicationCache(frame));
+        return new ApplicationCache(frame);
     }
     virtual ~ApplicationCache()
     {