API change to allow for NormalSource selection at the user level.

tests/SerializationTest.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 "Resources.h"
 #include "SkAnnotationKeys.h"
 #include "SkCanvas.h"
@@ skipping 560 matching lines @@
 
         SkMatrix matrix;
         SkRect r = SkRect::MakeWH(SkIntToScalar(kTexSize), SkIntToScalar(kTexSize));
         matrix.setRectToRect(bitmapBounds, r, SkMatrix::kFill_ScaleToFit);
 
         SkVector invNormRotation = { SkScalarSqrt(0.3), SkScalarSqrt(0.7) };
         SkBitmap normals;
         normals.allocN32Pixels(kTexSize, kTexSize);
 
         sk_tool_utils::create_frustum_normal_map(&normals, SkIRect::MakeWH(kTexSize, kTexSize));
-        sk_sp<SkShader> lightingShader = SkLightingShader::Make(diffuse, normals, fLights,
-                invNormRotation, &matrix, &matrix);
+        sk_sp<SkLightingShader::NormalSource> normalSource =
+                SkLightingShader::NormalMapSource::Make(normals, invNormRotation, &matrix);
+        sk_sp<SkShader> lightingShader = SkLightingShader::Make(diffuse, fLights, &matrix,
+                                                                std::move(normalSource));
 
         TestFlattenableSerialization(lightingShader.get(), true, reporter);
         // TODO test equality?
 
     }
 }
 
 ///////////////////////////////////////////////////////////////////////////////////////////////////
 #include "SkAnnotation.h"
 
@@ skipping 67 matching lines @@
         { r1, SkAnnotationKeys::Define_Named_Dest_Key(),    d1 },
         { r2, SkAnnotationKeys::Link_Named_Dest_Key(),      d2 },
     };
 
     sk_sp<SkPicture> pict0(recorder.finishRecordingAsPicture());
     sk_sp<SkPicture> pict1(copy_picture_via_serialization(pict0.get()));
 
     TestAnnotationCanvas canvas(reporter, recs, SK_ARRAY_COUNT(recs));
     canvas.drawPicture(pict1);
 }