Enable Oilpan for modules/geolocation by default.

public/web/WebGeolocationPermissionRequest.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:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 25 matching lines @@
 namespace blink {
 class WebSecurityOrigin;
 
 // WebGeolocationPermissionRequest encapsulates a WebCore Geolocation object and represents
 // a request from WebCore for permission to be determined for that Geolocation object.
 // The underlying Geolocation object is guaranteed to be valid until the invocation of
 // either  WebGeolocationPermissionRequest::setIsAllowed (request complete) or
 // WebGeolocationClient::cancelPermissionRequest (request cancelled).
 class WebGeolocationPermissionRequest {
 public:
+    ~WebGeolocationPermissionRequest() { reset(); }
     BLINK_EXPORT WebSecurityOrigin securityOrigin() const;
     BLINK_EXPORT void setIsAllowed(bool);
 
 #if BLINK_IMPLEMENTATION
-    WebGeolocationPermissionRequest(WebCore::Geolocation* geolocation)
-        : m_private(geolocation)
-    {
-    }
-
-    WebCore::Geolocation* geolocation() const { return m_private; }
+    WebGeolocationPermissionRequest(WebCore::Geolocation*);
+    WebCore::Geolocation* geolocation() const { return m_private.get(); }
 #endif
 
 private:
-    WebCore::Geolocation* m_private;
+    BLINK_EXPORT void reset();
+
+    WebPrivatePtr<WebCore::Geolocation> m_private;
 };
 }
 
 #endif // WebGeolocationPermissionRequest_h