cc: Move DisplayItem::Raster up to DisplayItemList

cc/playback/transform_display_item.h

Index: cc/playback/transform_display_item.h
diff --git a/cc/playback/transform_display_item.h b/cc/playback/transform_display_item.h
index 25eb755ad0916fc5d87f5ae4967f9a559630428b..268e2574189d61b5a7902b75490ed6c10db1095e 100644
--- a/cc/playback/transform_display_item.h
+++ b/cc/playback/transform_display_item.h
@@ -7,15 +7,10 @@
 
 #include <stddef.h>
 
-#include <memory>
-
-#include "base/memory/ptr_util.h"
 #include "cc/base/cc_export.h"
 #include "cc/playback/display_item.h"
 #include "ui/gfx/transform.h"
 
-class SkCanvas;
-
 namespace cc {
 
 class CC_EXPORT TransformDisplayItem : public DisplayItem {
@@ -23,18 +18,10 @@ class CC_EXPORT TransformDisplayItem : public DisplayItem {
   explicit TransformDisplayItem(const gfx::Transform& transform);
   ~TransformDisplayItem() override;
 
-  void Raster(SkCanvas* canvas,
-              SkPicture::AbortCallback* callback) const override;
-
   size_t ExternalMemoryUsage() const { return 0; }
   int ApproximateOpCount() const { return 1; }
 
-  const gfx::Transform& transform() const { return transform_; }
-
- private:
-  void SetNew(const gfx::Transform& transform);
-
-  gfx::Transform transform_;
+  const gfx::Transform transform;
 };
 
 class CC_EXPORT EndTransformDisplayItem : public DisplayItem {
@@ -42,13 +29,6 @@ class CC_EXPORT EndTransformDisplayItem : public DisplayItem {
   EndTransformDisplayItem();
   ~EndTransformDisplayItem() override;
 
-  static std::unique_ptr<EndTransformDisplayItem> Create() {
-    return base::MakeUnique<EndTransformDisplayItem>();
-  }
-
-  void Raster(SkCanvas* canvas,
-              SkPicture::AbortCallback* callback) const override;
-
   int ApproximateOpCount() const { return 0; }
 };