Move subresource archive loading out of ResourceLoader

Source/core/loader/archive/ArchiveResource.h

Index: Source/core/loader/archive/ArchiveResource.h
diff --git a/Source/core/loader/archive/ArchiveResource.h b/Source/core/loader/archive/ArchiveResource.h
index 4206b1c806f2f3a06677c200b6fb2a02995a2805..c0584e4861391636d038c0f1efc3b605e97a598c 100644
--- a/Source/core/loader/archive/ArchiveResource.h
+++ b/Source/core/loader/archive/ArchiveResource.h
@@ -44,17 +44,12 @@ public:
     const String& textEncoding() const { return m_textEncoding; }
     const String& frameName() const { return m_frameName; }
 
-    void ignoreWhenUnarchiving() { m_shouldIgnoreWhenUnarchiving = true; }
-    bool shouldIgnoreWhenUnarchiving() const { return m_shouldIgnoreWhenUnarchiving; }
-
 private:
     ArchiveResource(PassRefPtr<SharedBuffer>, const KURL&, const String& mimeType, const String& textEncoding, const String& frameName, const ResourceResponse&);
 
     String m_mimeType;
     String m_textEncoding;
     String m_frameName;
-
-    bool m_shouldIgnoreWhenUnarchiving;
 };
 
 }