Paint invisible layer content in presence of composited animations.

third_party/WebKit/Source/platform/graphics/paint/TransformPaintPropertyNode.h

 // Copyright 2015 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 TransformPaintPropertyNode_h
 #define TransformPaintPropertyNode_h
 
 #include "platform/PlatformExport.h"
 #include "platform/geometry/FloatPoint3D.h"
 #include "platform/graphics/CompositingReasons.h"
@@ skipping 82 matching lines @@
   // the plane of its parent. This is implemented by flattening the total
   // accumulated transform from its ancestors.
   bool flattensInheritedTransform() const {
     return m_flattensInheritedTransform;
   }
 
   bool hasDirectCompositingReasons() const {
     return m_directCompositingReasons != CompositingReasonNone;
   }
 
+  bool requiresCompositingForAnimation() const {
+    return m_directCompositingReasons & CompositingReasonActiveAnimation;
+  }
+
   const CompositorElementId& compositorElementId() const {
     return m_compositorElementId;
   }
 
   // Content whose transform nodes have a common rendering context ID are 3D
   // sorted. If this is 0, content will not be 3D sorted.
   unsigned renderingContextId() const { return m_renderingContextId; }
   bool hasRenderingContext() const { return m_renderingContextId; }
 
 #if DCHECK_IS_ON()
@@ skipping 51 matching lines @@
   CompositorElementId m_compositorElementId;
 };
 
 // Redeclared here to avoid ODR issues.
 // See platform/testing/PaintPrinters.h.
 void PrintTo(const TransformPaintPropertyNode&, std::ostream*);
 
 }  // namespace blink
 
 #endif  // TransformPaintPropertyNode_h