Use DEF_GM everywhere

gm/pathfill.cpp

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "gm.h"
 #include "SkPath.h"
 
@@ skipping 197 matching lines @@
             }
         }
     }
 
 private:
     typedef skiagm::GM INHERITED;
 };
 
 ///////////////////////////////////////////////////////////////////////////////
 
-static skiagm::GM* MyFactory(void*) { return new PathFillGM; }
-static skiagm::GMRegistry reg(MyFactory);
-
-static skiagm::GM* F1(void*) { return new PathInverseFillGM; }
-static skiagm::GMRegistry gR1(F1);
+DEF_GM( return new PathFillGM; )
+DEF_GM( return new PathInverseFillGM; )