Move SkMatrixImageFilter into core, and add a factory fn for it.

gm/filterfastbounds.cpp

 /*
  * Copyright 2014 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 "SkBitmapSource.h"
 #include "SkBlurImageFilter.h"
 #include "SkDropShadowImageFilter.h"
-#include "SkMatrixImageFilter.h"
 #include "SkOffsetImageFilter.h"
 #include "SkPictureImageFilter.h"
 #include "SkPictureRecorder.h"
 #include "SkRandom.h"
 
 namespace skiagm {
 
 // Each method of this type must draw its geometry inside 'r' using 'p'
 typedef void(*drawMth)(SkCanvas* canvas, const SkRect& r, const SkPaint& p);
 
@@ skipping 63 matching lines @@
     p.setImageFilter(filter);
     SkASSERT(p.canComputeFastBounds());
 }
 
 // Create a selection of imagefilter-based paints to test
 static void create_paints(SkImageFilter* source, SkTArray<SkPaint>* paints) {
     {
         SkMatrix scale;
         scale.setScale(2.0f, 2.0f);
 
-        SkAutoTUnref<SkMatrixImageFilter> scaleMIF(
-            SkMatrixImageFilter::Create(scale, kLow_SkFilterQuality, source));
+        SkAutoTUnref<SkImageFilter> scaleMIF(
+            SkImageFilter::CreateMatrixFilter(scale, kLow_SkFilterQuality, source));
 
         add_paint(scaleMIF, paints);
     }
 
     {
         SkMatrix rot;
         rot.setRotate(-33.3f);
 
-        SkAutoTUnref<SkMatrixImageFilter> rotMIF(
-            SkMatrixImageFilter::Create(rot, kLow_SkFilterQuality, source));
+        SkAutoTUnref<SkImageFilter> rotMIF(
+            SkImageFilter::CreateMatrixFilter(rot, kLow_SkFilterQuality, source));
 
         add_paint(rotMIF, paints);
     }
 
     {
         static const SkDropShadowImageFilter::ShadowMode kBoth =
                     SkDropShadowImageFilter::kDrawShadowAndForeground_ShadowMode;
 
         SkAutoTUnref<SkDropShadowImageFilter> dsif(
             SkDropShadowImageFilter::Create(10.0f, 10.0f,
@@ skipping 200 matching lines @@
 
 private:
     typedef GM INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 DEF_GM(return SkNEW(ImageFilterFastBoundGM);)
 
 }