Revert of Update testing frameworks/tests for MDB

src/gpu/GrTest.h

Index: src/gpu/GrTest.h
diff --git a/src/gpu/GrTest.h b/src/gpu/GrTest.h
index 297f51c11369e163be15a4d61a3dd1c887ec7f2c..92bfb137503686e8dbcf8b41377b4d1a60fa6586 100644
--- a/src/gpu/GrTest.h
+++ b/src/gpu/GrTest.h
@@ -28,15 +28,14 @@
 public:
     GrTestTarget() {};
 
-    void init(GrContext*, GrDrawTarget*, GrRenderTarget*);
+    void init(GrContext*, GrDrawTarget*);
 
     GrDrawTarget* target() { return fDrawTarget.get(); }
     GrResourceProvider* resourceProvider() { return fContext->resourceProvider(); }
 
 private:
+    SkAutoTUnref<GrDrawTarget>              fDrawTarget;
     SkAutoTUnref<GrContext>                 fContext;
-    SkAutoTUnref<GrDrawTarget>              fDrawTarget;
-    SkAutoTUnref<GrRenderTarget>            fRenderTarget;
 };
 
 #endif