Oilpan: fix build after r192119.

Source/core/fetch/CachingCorrectnessTest.cpp

 /*
  * Copyright (c) 2014, 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 45 matching lines @@
 
 const char kOneDayBeforeOriginalRequest[] = "Wed, 24 May 1977 18:30:00 GMT";
 const char kOneDayAfterOriginalRequest[] = "Fri, 26 May 1977 18:30:00 GMT";
 
 const unsigned char kAConstUnsignedCharZero = 0;
 
 class MockFetchContext : public FetchContext {
 public:
     static PassOwnPtrWillBeRawPtr<MockFetchContext> create()
     {
-        return adoptPtr(new MockFetchContext);
+        return adoptPtrWillBeNoop(new MockFetchContext);
     }
 
     ~MockFetchContext() { }
 
     bool allowImage(bool imagesEnabled, const KURL&) const override { return true; }
     bool canRequest(Resource::Type, const ResourceRequest&, const KURL&, const ResourceLoaderOptions&, bool forPreload, FetchRequest::OriginRestriction) const override { return true; }
 
 private:
     MockFetchContext() { }
 };
@@ skipping 492 matching lines @@
     firstResource->setResponse(fresh200Response);
     memoryCache()->add(firstResource.get());
 
     advanceClock(500.);
 
     ResourcePtr<Resource> fetched = fetch();
     EXPECT_EQ(firstResource, fetched);
 }
 
 } // namespace