Oilpan: have URL object on the heap.

Source/core/dom/DOMURL.h

Index: Source/core/dom/DOMURL.h
diff --git a/Source/core/dom/DOMURL.h b/Source/core/dom/DOMURL.h
index 491e04bd7d0b8ed6338dcdf87951e78b56cec370..9313dc1818cce27afcf84d31ad4dab856f5cac66 100644
--- a/Source/core/dom/DOMURL.h
+++ b/Source/core/dom/DOMURL.h
@@ -41,21 +41,21 @@ class ExceptionState;
 class ExecutionContext;
 class URLRegistrable;
 
-class DOMURL final : public RefCountedWillBeGarbageCollectedFinalized<DOMURL>, public ScriptWrappable, public DOMURLUtils {
+class DOMURL final : public GarbageCollectedFinalized<DOMURL>, public ScriptWrappable, public DOMURLUtils {
     DEFINE_WRAPPERTYPEINFO();
 public:
-    static PassRefPtrWillBeRawPtr<DOMURL> create(const String& url, ExceptionState& exceptionState)
+    static DOMURL* create(const String& url, ExceptionState& exceptionState)
     {
-        return adoptRefWillBeNoop(new DOMURL(url, blankURL(), exceptionState));
+        return new DOMURL(url, blankURL(), exceptionState);
     }
-    static PassRefPtrWillBeRawPtr<DOMURL> create(const String& url, const String& base, ExceptionState& exceptionState)
+    static DOMURL* create(const String& url, const String& base, ExceptionState& exceptionState)
     {
-        return adoptRefWillBeNoop(new DOMURL(url, KURL(KURL(), base), exceptionState));
+        return new DOMURL(url, KURL(KURL(), base), exceptionState);
     }
-    static PassRefPtrWillBeRawPtr<DOMURL> create(const String& url, PassRefPtrWillBeRawPtr<DOMURL> base, ExceptionState& exceptionState)
+    static DOMURL* create(const String& url, DOMURL* base, ExceptionState& exceptionState)
     {
         ASSERT(base);
-        return adoptRefWillBeNoop(new DOMURL(url, base->m_url, exceptionState));
+        return new DOMURL(url, base->m_url, exceptionState);
     }
 
     static String createObjectURL(ExecutionContext*, Blob*, ExceptionState&);