Simplify flattening to just write enough to call the factory

tests/GLProgramsTest.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.
  */
 
 // This is a GPU-backend specific test. It relies on static intializers to work
 
@@ skipping 256 matching lines @@
 #include "SkAlphaThresholdFilter.h"
 #include "SkColorMatrixFilter.h"
 #include "SkLightingImageFilter.h"
 #include "SkMagnifierImageFilter.h"
 
 void forceLinking();
 
 void forceLinking() {
     SkLightingImageFilter::CreateDistantLitDiffuse(SkPoint3(0,0,0), 0, 0, 0);
     SkAlphaThresholdFilter::Create(SkRegion(), .5f, .5f);
-    SkAutoTUnref<SkMagnifierImageFilter> mag(SkMagnifierImageFilter::Create(
+    SkAutoTUnref<SkImageFilter> mag(SkMagnifierImageFilter::Create(
         SkRect::MakeWH(SK_Scalar1, SK_Scalar1), SK_Scalar1));
     GrConfigConversionEffect::Create(NULL,
                                      false,
                                      GrConfigConversionEffect::kNone_PMConversion,
                                      SkMatrix::I());
     SkScalar matrix[20];
     SkAutoTUnref<SkColorMatrixFilter> cmf(SkColorMatrixFilter::Create(matrix));
 }
 
 #endif