[NOT FOR COMMIT] Fully replace SkCanvas uses.

third_party/WebKit/Source/platform/graphics/ImagePattern.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "platform/graphics/ImagePattern.h"
 
 #include "platform/graphics/Image.h"
 #include "platform/graphics/skia/SkiaUtils.h"
+#include "skia/ext/cdl_shader.h"
 #include "third_party/skia/include/core/SkCanvas.h"
 #include "third_party/skia/include/core/SkImage.h"
 #include "third_party/skia/include/core/SkShader.h"
 #include "third_party/skia/include/core/SkSurface.h"
 
 namespace blink {
 
 PassRefPtr<ImagePattern> ImagePattern::create(PassRefPtr<Image> image,
                                               RepeatMode repeatMode) {
   return adoptRef(new ImagePattern(std::move(image), repeatMode));
@@ skipping 11 matching lines @@
     adjustExternalMemoryAllocated(info.getSafeSize(info.minRowBytes()));
   }
 }
 
 bool ImagePattern::isLocalMatrixChanged(const SkMatrix& localMatrix) const {
   if (isRepeatXY())
     return Pattern::isLocalMatrixChanged(localMatrix);
   return localMatrix != m_previousLocalMatrix;
 }
 
-sk_sp<SkShader> ImagePattern::createShader(const SkMatrix& localMatrix) {
+sk_sp<CdlShader> ImagePattern::createShader(const SkMatrix& localMatrix) {
   if (!m_tileImage)
-    return SkShader::MakeColorShader(SK_ColorTRANSPARENT);
+    return WrapSkShader(SkShader::MakeColorShader(SK_ColorTRANSPARENT));
 
   if (isRepeatXY()) {
     // Fast path: for repeatXY we just return a shader from the original image.
-    return m_tileImage->makeShader(SkShader::kRepeat_TileMode,
-                                   SkShader::kRepeat_TileMode, &localMatrix);
+    return MakeCdlImageShader(m_tileImage, SkShader::kRepeat_TileMode,
+                              SkShader::kRepeat_TileMode, &localMatrix);
   }
 
   // Skia does not have a "draw the tile only once" option. Clamp_TileMode
   // repeats the last line of the image after drawing one tile. To avoid
   // filling the space with arbitrary pixels, this workaround forces the
   // image to have a line of transparent pixels on the "repeated" edge(s),
   // thus causing extra space to be transparent filled.
   SkShader::TileMode tileModeX =
       isRepeatX() ? SkShader::kRepeat_TileMode : SkShader::kClamp_TileMode;
   SkShader::TileMode tileModeY =
       isRepeatY() ? SkShader::kRepeat_TileMode : SkShader::kClamp_TileMode;
   int borderPixelX = isRepeatX() ? 0 : 1;
   int borderPixelY = isRepeatY() ? 0 : 1;
 
   // Create a transparent image 2 pixels wider and/or taller than the
   // original, then copy the orignal into the middle of it.
   // FIXME: Is there a better way to pad (not scale) an image in skia?
   sk_sp<SkSurface> surface =
       SkSurface::MakeRasterN32Premul(m_tileImage->width() + 2 * borderPixelX,
                                      m_tileImage->height() + 2 * borderPixelY);
   if (!surface)
-    return SkShader::MakeColorShader(SK_ColorTRANSPARENT);
+    return WrapSkShader(SkShader::MakeColorShader(SK_ColorTRANSPARENT));
 
   SkPaint paint;
   paint.setBlendMode(SkBlendMode::kSrc);
   surface->getCanvas()->drawImage(m_tileImage, borderPixelX, borderPixelY,
                                   &paint);
 
   m_previousLocalMatrix = localMatrix;
   SkMatrix adjustedMatrix(localMatrix);
   adjustedMatrix.postTranslate(-borderPixelX, -borderPixelY);
 
-  return surface->makeImageSnapshot()->makeShader(tileModeX, tileModeY,
-                                                  &adjustedMatrix);
+  return MakeCdlImageShader(surface->makeImageSnapshot(), tileModeX, tileModeY,
+                            &adjustedMatrix);
 }
 
 bool ImagePattern::isTextureBacked() const {
   return m_tileImage && m_tileImage->isTextureBacked();
 }
 
 }  // namespace blink