Oilpan: enable appcache + move DocumentLoader to the heap.

Source/core/loader/appcache/ApplicationCacheHost.h

Index: Source/core/loader/appcache/ApplicationCacheHost.h
diff --git a/Source/core/loader/appcache/ApplicationCacheHost.h b/Source/core/loader/appcache/ApplicationCacheHost.h
index a6087eaa622010625d4e18ae7b0f24db8fb519b0..89a529d77dcdb97fbafffb2340bfb026e15b60fe 100644
--- a/Source/core/loader/appcache/ApplicationCacheHost.h
+++ b/Source/core/loader/appcache/ApplicationCacheHost.h
@@ -43,12 +43,12 @@ namespace blink {
     class ResourceRequest;
     class ResourceResponse;
 
-    class ApplicationCacheHost final : public NoBaseWillBeGarbageCollectedFinalized<ApplicationCacheHost>, public WebApplicationCacheHostClient {
+    class ApplicationCacheHost final : public GarbageCollectedFinalized<ApplicationCacheHost>, public WebApplicationCacheHostClient {
         WTF_MAKE_NONCOPYABLE(ApplicationCacheHost);
     public:
-        static PassOwnPtrWillBeRawPtr<ApplicationCacheHost> create(DocumentLoader* loader)
+        static ApplicationCacheHost* create(DocumentLoader* loader)
         {
-            return adoptPtrWillBeNoop(new ApplicationCacheHost(loader));
+            return new ApplicationCacheHost(loader);
         }
         virtual ~ApplicationCacheHost();
 
@@ -131,6 +131,7 @@ namespace blink {
         void fillResourceList(ResourceInfoList*);
         CacheInfo applicationCacheInfo();
 
+        EAGERLY_FINALIZE();

[haraken, 2015/06/22 01:57:59]

Add a comment why this needs to be eagerly finalized (Is it for clearing m_host,
right).

[sof, 2015/06/22 06:49:18]

No longer needed; asserted for that in the destructor.

         DECLARE_TRACE();
 
     private:
@@ -165,8 +166,8 @@ namespace blink {
             }
         };
 
-        RawPtrWillBeWeakMember<ApplicationCache> m_domApplicationCache;
-        DocumentLoader* m_documentLoader;
+        WeakMember<ApplicationCache> m_domApplicationCache;
+        RawPtrWillBeMember<DocumentLoader> m_documentLoader;
         bool m_defersEvents; // Events are deferred until after document onload.
         Vector<DeferredEvent> m_deferredEvents;