Don't coerce pointers to compositor layer mappings to booleans.

Source/core/rendering/RenderLayerModelObject.cpp

Index: Source/core/rendering/RenderLayerModelObject.cpp
diff --git a/Source/core/rendering/RenderLayerModelObject.cpp b/Source/core/rendering/RenderLayerModelObject.cpp
index 457c657593f43360e0518cf3b9a99c29a67ab427..5efcaf513362c8229d8e49b72cd93ef8263046bb 100644
--- a/Source/core/rendering/RenderLayerModelObject.cpp
+++ b/Source/core/rendering/RenderLayerModelObject.cpp
@@ -204,7 +204,7 @@ void RenderLayerModelObject::addLayerHitTestRects(LayerHitTestRects& rects, cons
     }
 }
 
-CompositedLayerMapping* RenderLayerModelObject::compositedLayerMapping() const
+CompositedLayerMappingPtr RenderLayerModelObject::compositedLayerMapping() const
 {
     return m_layer ? m_layer->compositedLayerMapping() : 0;

[shawnsingh, 2013/11/05 10:20:27]

Does 0 actually work here, or should it be CompositedLayerMappingPtr(0) ?

[Ian Vollick, 2013/11/08 03:35:12]

I think that 0 will be coerced into a CompositedLayerMappingPtr, actually.
(We'll see what all the other build bots say, though :))

 }