Prepare to add more initiator info to CachedResource(Request)

Source/core/loader/cache/CachedResourceRequest.h

 /*
  * Copyright (C) 2012 Google, Inc. All rights reserved.
  *
  * 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
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 10 matching lines @@
  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef CachedResourceRequest_h
 #define CachedResourceRequest_h
 
 #include "core/dom/Element.h"
 #include "core/loader/ResourceLoaderOptions.h"
+#include "core/loader/cache/CachedResourceInitiatorInfo.h"
 #include "core/platform/network/ResourceLoadPriority.h"
 #include "core/platform/network/ResourceRequest.h"
 #include <wtf/RefPtr.h>
 #include <wtf/text/AtomicString.h>
 
 namespace WebCore {
 class Document;
 
 class CachedResourceRequest {
 public:
     enum DeferOption { NoDefer, DeferredByClient };
 
-    explicit CachedResourceRequest(const ResourceRequest&, const String& charset = String(), ResourceLoadPriority = ResourceLoadPriorityUnresolved);
-    CachedResourceRequest(const ResourceRequest&, const ResourceLoaderOptions&);
-    CachedResourceRequest(const ResourceRequest&, ResourceLoadPriority);
+    explicit CachedResourceRequest(const ResourceRequest&, const AtomicString& initiator, const String& charset = String(), ResourceLoadPriority = ResourceLoadPriorityUnresolved);
+    CachedResourceRequest(const ResourceRequest&, const AtomicString& initiator, const ResourceLoaderOptions&);
+    CachedResourceRequest(const ResourceRequest&, const AtomicString& initiator, ResourceLoadPriority);
     ~CachedResourceRequest();
 
     ResourceRequest& mutableResourceRequest() { return m_resourceRequest; }
     const ResourceRequest& resourceRequest() const { return m_resourceRequest; }
     const String& charset() const { return m_charset; }
     void setCharset(const String& charset) { m_charset = charset; }
     const ResourceLoaderOptions& options() const { return m_options; }
     void setOptions(const ResourceLoaderOptions& options) { m_options = options; }
     void setPriority(ResourceLoadPriority priority) { m_priority = priority; }
     ResourceLoadPriority priority() const { return m_priority; }
     bool forPreload() const { return m_forPreload; }
     void setForPreload(bool forPreload) { m_forPreload = forPreload; }
     DeferOption defer() const { return m_defer; }
     void setDefer(DeferOption defer) { m_defer = defer; }
-    void setInitiator(PassRefPtr<Element>);
-    void setInitiator(const AtomicString& name);
-    const AtomicString& initiatorName() const;
-    PassRefPtr<Element> initiatorElement();
+    const CachedResourceInitiatorInfo& initiatorInfo() const { return m_initiatorInfo; }
     void setContentSecurityCheck(ContentSecurityPolicyCheck contentSecurityPolicyOption) { m_options.contentSecurityPolicyOption = contentSecurityPolicyOption; }
 
 private:
     ResourceRequest m_resourceRequest;
     String m_charset;
     ResourceLoaderOptions m_options;
     ResourceLoadPriority m_priority;
     bool m_forPreload;
     DeferOption m_defer;
-    RefPtr<Element> m_initiatorElement;
-    AtomicString m_initiatorName;
+    CachedResourceInitiatorInfo m_initiatorInfo;
 };
 
 } // namespace WebCore
 
 #endif