Oilpan: Change Persistent members of Resource subclasses to Member.

Source/core/fetch/FontResource.cpp

 /*
  * Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2009 Torch Mobile, Inc.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 69 matching lines @@
     , m_exceedsFontLoadWaitLimit(false)
     , m_corsFailed(false)
     , m_fontLoadWaitLimitTimer(this, &FontResource::fontLoadWaitLimitCallback)
 {
 }
 
 FontResource::~FontResource()
 {
 }
 
+void FontResource::trace(Visitor* visitor)
+{
+#if ENABLE(SVG_FONTS)
+    visitor->trace(m_externalSVGDocument);
+#endif
+    Resource::trace(visitor);
+}
+
 void FontResource::load(ResourceFetcher*, const ResourceLoaderOptions& options)
 {
     // Don't load the file yet. Wait for an access before triggering the load.
     setLoading(true);
     m_options = options;
 }
 
 void FontResource::didAddClient(ResourceClient* c)
 {
     ASSERT(c->resourceClientType() == FontResourceClient::expectedType());
@@ skipping 121 matching lines @@
 
 void FontResource::checkNotify()
 {
     m_fontLoadWaitLimitTimer.stop();
     ResourceClientWalker<FontResourceClient> w(m_clients);
     while (FontResourceClient* c = w.next())
         c->fontLoaded(this);
 }
 
 }