cc: Move SkShader construction to a single spot in PaintShader

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

Index: third_party/WebKit/Source/platform/graphics/Pattern.cpp
diff --git a/third_party/WebKit/Source/platform/graphics/Pattern.cpp b/third_party/WebKit/Source/platform/graphics/Pattern.cpp
index dc1c2f69d745bda3b9dc6bc64c75c52354686f21..53cf3a8ba198b03a30f5c2c11c01daf564d67af7 100644
--- a/third_party/WebKit/Source/platform/graphics/Pattern.cpp
+++ b/third_party/WebKit/Source/platform/graphics/Pattern.cpp
@@ -59,11 +59,11 @@ void Pattern::ApplyToFlags(PaintFlags& flags, const SkMatrix& local_matrix) {
   if (!cached_shader_ || IsLocalMatrixChanged(local_matrix))
     cached_shader_ = CreateShader(local_matrix);
 
-  flags.setShader(cached_shader_);
+  flags.setShader(WTF::MakeUnique<PaintShader>(*cached_shader_));
 }
 
 bool Pattern::IsLocalMatrixChanged(const SkMatrix& local_matrix) const {
-  return local_matrix != cached_shader_->getLocalMatrix();
+  return local_matrix != cached_shader_->sk_shader()->getLocalMatrix();
 }
 
 }  // namespace blink