Change device factories to take SkImageInfo instead of SkBitmap::Config

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 "SkBicubicImageFilter.h"
 #include "SkBitmap.h"
 #include "SkBitmapDevice.h"
@@ skipping 278 matching lines @@
     recordingCanvas->restore(); // scale
     recordingCanvas->restore(); // saveLayer
     picture.endRecording();
 
     canvas.drawPicture(picture);
 }
 
 #if SK_SUPPORT_GPU
 DEF_GPUTEST(ImageFilterCropRectGPU, reporter, factory) {
     GrContext* context = factory->get(static_cast<GrContextFactory::GLContextType>(0));
-    SkGpuDevice device(context, SkBitmap::kARGB_8888_Config, 100, 100);
-    test_crop_rects(&device, reporter);
+    SkAutoTUnref<SkGpuDevice> device(SkGpuDevice::Create(context,
+                                                         SkImageInfo::MakeN32Premul(100, 100),
+                                                         0));
+    test_crop_rects(device, reporter);
 }
 #endif