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

Source/core/paint/Transform3DRecorder.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 Transform3DRecorder_h
 #define Transform3DRecorder_h
 
 #include "platform/graphics/paint/DisplayItem.h"
 
 namespace blink {
 
 class GraphicsContext;
 class TransformationMatrix;
 
 class Transform3DRecorder {
 public:
-    Transform3DRecorder(GraphicsContext&, DisplayItemClient, const TransformationMatrix&);
+    Transform3DRecorder(GraphicsContext&, DisplayItemClient, DisplayItem::Type, const TransformationMatrix&);
     ~Transform3DRecorder();
 
 private:
     GraphicsContext& m_context;
     DisplayItemClient m_client;
+    DisplayItem::Type m_type;
     bool m_skipRecordingForIdentityTransform;
 };
 
 } // namespace blink
 
 #endif // Transform3DRecorder_h