Move squash preventing reasons out of compositing reasons

third_party/WebKit/Source/platform/graphics/GraphicsLayer.h

 /*
  * Copyright (C) 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2013 Intel Corporation. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 68 matching lines @@
     static PassOwnPtr<GraphicsLayer> create(GraphicsLayerFactory*, GraphicsLayerClient*);
 
     ~GraphicsLayer() override;
 
     GraphicsLayerClient* client() const { return m_client; }
 
     GraphicsLayerDebugInfo& debugInfo();
 
     void setCompositingReasons(CompositingReasons);
     CompositingReasons compositingReasons() const { return m_debugInfo.compositingReasons(); }
+    void setSquashingDisallowedReasons(SquashingDisallowedReasons);
     void setOwnerNodeId(int);
 
     GraphicsLayer* parent() const { return m_parent; }
     void setParent(GraphicsLayer*); // Internal use only.
 
     const Vector<GraphicsLayer*>& children() const { return m_children; }
     // Returns true if the child list changed.
     bool setChildren(const GraphicsLayerVector&);
 
     // Add child layers. If the child is already parented, it will be removed from its old parent.
@@ skipping 282 matching lines @@
 };
 
 } // namespace blink
 
 #ifndef NDEBUG
 // Outside the blink namespace for ease of invocation from gdb.
 void PLATFORM_EXPORT showGraphicsLayerTree(const blink::GraphicsLayer*);
 #endif
 
 #endif // GraphicsLayer_h