Oilpan: Remove GC_INFO_{DEFINE,DECLARE} macros

Source/core/timing/PerformanceEntry.cpp

 /*
  * 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:
  *
  *     * 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 15 matching lines @@
  * 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.
  */
 
 #include "config.h"
 #include "core/timing/PerformanceEntry.h"
 
 namespace WebCore {
 
-DEFINE_GC_INFO(PerformanceEntry);
-
 PerformanceEntry::PerformanceEntry(const String& name, const String& entryType, double startTime, double finishTime)
     : m_name(name)
     , m_entryType(entryType)
     , m_startTime(startTime)
     , m_duration(finishTime - startTime)
 {
     ScriptWrappable::init(this);
 }
 
 PerformanceEntry::~PerformanceEntry()
@@ skipping 14 matching lines @@
 {
     return m_startTime;
 }
 
 double PerformanceEntry::duration() const
 {
     return m_duration;
 }
 
 } // namespace WebCore