Enable Oilpan for modules/geolocation by default.

Source/modules/geolocation/GeolocationError.h

Index: Source/modules/geolocation/GeolocationError.h
diff --git a/Source/modules/geolocation/GeolocationError.h b/Source/modules/geolocation/GeolocationError.h
index 2013782c419cb872f57077a04f862c8276884142..f2997f119dbb50b99069cf0273e926bb8f3638a4 100644
--- a/Source/modules/geolocation/GeolocationError.h
+++ b/Source/modules/geolocation/GeolocationError.h
@@ -26,22 +26,20 @@
 #ifndef GeolocationError_h
 #define GeolocationError_h
 
-#include "wtf/RefCounted.h"
-#include "wtf/RefPtr.h"
 #include "wtf/text/WTFString.h"
 
 namespace WebCore {
 
-class GeolocationError : public RefCountedWillBeGarbageCollectedFinalized<GeolocationError> {
+class GeolocationError : public GarbageCollectedFinalized<GeolocationError> {
 public:
     enum ErrorCode {
         PermissionDenied,
         PositionUnavailable
     };
 
-    static PassRefPtrWillBeRawPtr<GeolocationError> create(ErrorCode code, const String& message)
+    static GeolocationError* create(ErrorCode code, const String& message)
     {
-        return adoptRefWillBeNoop(new GeolocationError(code, message));
+        return new GeolocationError(code, message);
     }
     void trace(Visitor*) { }