change more effects to only expose factories

tests/ImageFilterTest.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkBitmap.h"
 #include "SkBitmapDevice.h"
 #include "SkBlurImageFilter.h"
@@ skipping 886 matching lines @@
 
     SkBitmap bitmap;
     bitmap.allocN32Pixels(10, 10);
     SkCanvas canvas(bitmap);
 
     SkRTreeFactory factory;
     SkPictureRecorder recorder;
 
     SkAutoTUnref<SkColorFilter> green(
         SkColorFilter::CreateModeFilter(SK_ColorGREEN, SkXfermode::kSrc_Mode));
-    SkAutoTUnref<SkColorFilterImageFilter> imageFilter(
+    SkAutoTUnref<SkImageFilter> imageFilter(
         SkColorFilterImageFilter::Create(green.get()));
     SkPaint imageFilterPaint;
     imageFilterPaint.setImageFilter(imageFilter.get());
     SkPaint colorFilterPaint;
     colorFilterPaint.setColorFilter(green.get());
 
     SkRect bounds = SkRect::MakeWH(10, 10);
 
     SkCanvas* recordingCanvas = recorder.beginRecording(10, 10, &factory, 0);
     recordingCanvas->saveLayer(&bounds, &imageFilterPaint);
@@ skipping 102 matching lines @@
 
 static void test_xfermode_cropped_input(SkCanvas* canvas, skiatest::Reporter* reporter) {
     canvas->clear(0);
 
     SkBitmap bitmap;
     bitmap.allocN32Pixels(1, 1);
     bitmap.eraseARGB(255, 255, 255, 255);
 
     SkAutoTUnref<SkColorFilter> green(
         SkColorFilter::CreateModeFilter(SK_ColorGREEN, SkXfermode::kSrcIn_Mode));
-    SkAutoTUnref<SkColorFilterImageFilter> greenFilter(
-        SkColorFilterImageFilter::Create(green.get()));
+    SkAutoTUnref<SkImageFilter> greenFilter(SkColorFilterImageFilter::Create(green.get()));
     SkImageFilter::CropRect cropRect(SkRect::MakeEmpty());
-    SkAutoTUnref<SkColorFilterImageFilter> croppedOut(
+    SkAutoTUnref<SkImageFilter> croppedOut(
         SkColorFilterImageFilter::Create(green.get(), nullptr, &cropRect));
 
     // Check that an xfermode image filter whose input has been cropped out still draws the other
     // input. Also check that drawing with both inputs cropped out doesn't cause a GPU warning.
     SkXfermode* mode = SkXfermode::Create(SkXfermode::kSrcOver_Mode);
     SkAutoTUnref<SkImageFilter> xfermodeNoFg(
         SkXfermodeImageFilter::Create(mode, greenFilter, croppedOut));
     SkAutoTUnref<SkImageFilter> xfermodeNoBg(
         SkXfermodeImageFilter::Create(mode, croppedOut, greenFilter));
     SkAutoTUnref<SkImageFilter> xfermodeNoFgNoBg(
@@ skipping 260 matching lines @@
                                                          SkSurface::kNo_Budgeted,
                                                          SkImageInfo::MakeN32Premul(1, 1),
                                                          0,
                                                          &props,
                                                          SkGpuDevice::kUninit_InitContents));
     SkImageFilter::Proxy proxy(device);
 
     test_negative_blur_sigma(&proxy, reporter);
 }
 #endif