Oilpan: Replace most of RefPtrs for Event objects with oilpan's transition types

Source/core/loader/FormSubmission.h

 /*
  * Copyright (C) 2010 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 14 matching lines @@
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY 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 FormSubmission_h
 #define FormSubmission_h
 
 #include "core/loader/FormState.h"
+#include "heap/Handle.h"
 #include "platform/weborigin/KURL.h"
 #include "platform/weborigin/Referrer.h"
 
 namespace WTF{
 class TextEncoding;
 }
 
 namespace WebCore {
 
 class Document;
@@ skipping 40 matching lines @@
     private:
         Method m_method;
         bool m_isMultiPartForm;
 
         String m_action;
         AtomicString m_target;
         AtomicString m_encodingType;
         String m_acceptCharset;
     };
 
-    static PassRefPtr<FormSubmission> create(HTMLFormElement*, const Attributes&, PassRefPtr<Event> event, FormSubmissionTrigger);
+    static PassRefPtr<FormSubmission> create(HTMLFormElement*, const Attributes&, PassRefPtrWillBeRawPtr<Event>, FormSubmissionTrigger);
 
     void populateFrameLoadRequest(FrameLoadRequest&);
 
     KURL requestURL() const;
 
     Method method() const { return m_method; }
     const KURL& action() const { return m_action; }
     const AtomicString& target() const { return m_target; }
     void clearTarget() { m_target = nullAtom; }
     FormState* state() const { return m_formState.get(); }
     FormData* data() const { return m_formData.get(); }
     Event* event() const { return m_event.get(); }
 
     void setReferrer(const Referrer& referrer) { m_referrer = referrer; }
     void setOrigin(const String& origin) { m_origin = origin; }
 
     const String& result() const { return m_result; }
 
 private:
-    FormSubmission(Method, const KURL& action, const AtomicString& target, const AtomicString& contentType, PassRefPtr<FormState>, PassRefPtr<FormData>, const String& boundary, PassRefPtr<Event>);
+    FormSubmission(Method, const KURL& action, const AtomicString& target, const AtomicString& contentType, PassRefPtr<FormState>, PassRefPtr<FormData>, const String& boundary, PassRefPtrWillBeRawPtr<Event>);
     // FormSubmission for DialogMethod
     FormSubmission(const String& result);
 
     // FIXME: Hold an instance of Attributes instead of individual members.
     Method m_method;
     KURL m_action;
     AtomicString m_target;
     AtomicString m_contentType;
     RefPtr<FormState> m_formState;
     RefPtr<FormData> m_formData;
     String m_boundary;
-    RefPtr<Event> m_event;
+    RefPtrWillBePersistent<Event> m_event;
     Referrer m_referrer;
     String m_origin;
     String m_result;
 };
 
 }
 
 #endif // FormSubmission_h