[NOT FOR COMMIT] Fully replace SkCanvas uses.

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

Index: third_party/WebKit/Source/platform/graphics/Gradient.cpp
diff --git a/third_party/WebKit/Source/platform/graphics/Gradient.cpp b/third_party/WebKit/Source/platform/graphics/Gradient.cpp
index 72fc7c2c79e451c836245ff6c6231489602dd4c6..197e62987721c9ac8911a5474ef9ed5bd3a7b4c1 100644
--- a/third_party/WebKit/Source/platform/graphics/Gradient.cpp
+++ b/third_party/WebKit/Source/platform/graphics/Gradient.cpp
@@ -30,6 +30,7 @@
 #include "platform/geometry/FloatRect.h"
 #include "platform/graphics/GraphicsContext.h"
 #include "platform/graphics/skia/SkiaUtils.h"
+#include "skia/ext/cdl_shader.h"
 #include "third_party/skia/include/core/SkColor.h"
 #include "third_party/skia/include/core/SkMatrix.h"
 #include "third_party/skia/include/core/SkShader.h"
@@ -176,7 +177,7 @@ static void fillStops(const Gradient::ColorStop* stopData,
   }
 }
 
-sk_sp<SkShader> Gradient::createShader(const SkMatrix& localMatrix) {
+sk_sp<CdlShader> Gradient::createShader(const SkMatrix& localMatrix) {
   sortStopsIfNecessary();
   ASSERT(m_stopsSorted);
 
@@ -246,10 +247,10 @@ sk_sp<SkShader> Gradient::createShader(const SkMatrix& localMatrix) {
     shader = SkShader::MakeColorShader(colors[countUsed - 1]);
   }
 
-  return shader;
+  return WrapSkShader(shader);
 }
 
-void Gradient::applyToPaint(SkPaint& paint, const SkMatrix& localMatrix) {
+void Gradient::applyToPaint(CdlPaint& paint, const SkMatrix& localMatrix) {
   if (!m_cachedShader || localMatrix != m_cachedShader->getLocalMatrix())
     m_cachedShader = createShader(localMatrix);