[Slimming Paint] Allow 3D transforms of different types.

Source/platform/graphics/paint/DisplayItem.h

 // 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.
 
 #ifndef DisplayItem_h
 #define DisplayItem_h
 
 #include "platform/PlatformExport.h"
 #include "platform/graphics/paint/DisplayItemClient.h"
 #include "wtf/Assertions.h"
@@ skipping 105 matching lines @@
         EndFloatClipFirst,
         EndFloatClipLast = EndFloatClipFirst + FloatClipLast - FloatClipFirst,
 
         ScrollFirst,
         ScrollPaintPhaseFirst = ScrollFirst,
         ScrollPaintPhaseLast = ScrollPaintPhaseFirst + PaintPhaseMax,
         ScrollLast = ScrollPaintPhaseLast,
         EndScrollFirst,
         EndScrollLast = EndScrollFirst + ScrollLast - ScrollFirst,
 
+        Transform3DFirst,
+        Transform3DElementTransform = Transform3DFirst,
+        Transform3DLast = Transform3DElementTransform,
+        EndTransform3DFirst,
+        EndTransform3DLast = EndTransform3DFirst + Transform3DLast - Transform3DFirst,
+
         BeginFilter,
         EndFilter,
         BeginCompositing,
         EndCompositing,
         BeginTransform,
         EndTransform,
-        BeginTransform3D,
-        EndTransform3D,
         BeginClipPath,
         EndClipPath,
 
         SubtreeCachedFirst,
         SubtreeCachedPaintPhaseFirst = SubtreeCachedFirst,
         SubtreeCachedPaintPhaseLast = SubtreeCachedPaintPhaseFirst + PaintPhaseMax,
         SubtreeCachedLast = SubtreeCachedPaintPhaseLast,
 
         BeginSubtreeFirst,
         BeginSubtreePaintPhaseFirst = BeginSubtreeFirst,
@@ skipping 71 matching lines @@
     DEFINE_PAINT_PHASE_CONVERSION_METHOD(ClipLayerFragment)
     DEFINE_PAINT_PHASE_CONVERSION_METHOD(ClipBox)
     DEFINE_PAINT_PHASE_CONVERSION_METHOD(ClipColumnBounds)
 
     DEFINE_PAIRED_CATEGORY_METHODS(FloatClip, floatClip)
     DEFINE_PAINT_PHASE_CONVERSION_METHOD(FloatClip)
 
     DEFINE_PAIRED_CATEGORY_METHODS(Scroll, scroll)
     DEFINE_PAINT_PHASE_CONVERSION_METHOD(Scroll)
 
+    DEFINE_PAIRED_CATEGORY_METHODS(Transform3D, transform3D);
+
     DEFINE_CATEGORY_METHODS(SubtreeCached)
     DEFINE_PAINT_PHASE_CONVERSION_METHOD(SubtreeCached)
     DEFINE_CATEGORY_METHODS(BeginSubtree)
     DEFINE_PAINT_PHASE_CONVERSION_METHOD(BeginSubtree)
     DEFINE_CATEGORY_METHODS(EndSubtree)
     DEFINE_PAINT_PHASE_CONVERSION_METHOD(EndSubtree)
     DEFINE_CONVERSION_METHODS(SubtreeCached, subtreeCached, BeginSubtree, beginSubtree)
     DEFINE_CONVERSION_METHODS(SubtreeCached, subtreeCached, EndSubtree, endSubtree)
     DEFINE_CONVERSION_METHODS(BeginSubtree, beginSubtree, EndSubtree, endSubtree)
 
@@ skipping 54 matching lines @@
     virtual bool isEndAndPairedWith(const DisplayItem& other) const override = 0;
 #endif
 
 private:
     virtual bool isEnd() const override final { return true; }
 };
 
 } // namespace blink
 
 #endif // DisplayItem_h