Oilpan: move custom element objects to the heap.

Source/core/dom/custom/CustomElementDescriptor.h

 /*
  * Copyright (C) 2013 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 13 matching lines @@
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * 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 CustomElementDescriptor_h
 #define CustomElementDescriptor_h
 
+#include "platform/heap/Handle.h"
 #include "wtf/HashTableDeletedValueType.h"
 #include "wtf/text/AtomicString.h"
 
 namespace WebCore {
 
 struct CustomElementDescriptorHash;
 
 // A Custom Element descriptor is everything necessary to match a
 // Custom Element instance to a definition.
 class CustomElementDescriptor {
+    ALLOW_ONLY_INLINE_ALLOCATION();
 public:
     CustomElementDescriptor(const AtomicString& type, const AtomicString& namespaceURI, const AtomicString& localName)
         : m_type(type)
         , m_namespaceURI(namespaceURI)
         , m_localName(localName)
     {
     }
 
     ~CustomElementDescriptor() { }
 
@@ skipping 36 matching lines @@
 namespace WTF {
 
 template<typename T> struct DefaultHash;
 template<> struct DefaultHash<WebCore::CustomElementDescriptor> {
     typedef WebCore::CustomElementDescriptorHash Hash;
 };
 
 } // namespace WTF
 
 #endif // CustomElementDescriptor_h