Remove Nine Patch layers.

sky/engine/platform/graphics/GraphicsLayer.h

Index: sky/engine/platform/graphics/GraphicsLayer.h
diff --git a/sky/engine/platform/graphics/GraphicsLayer.h b/sky/engine/platform/graphics/GraphicsLayer.h
index 48d512d247cf84ce3ff747de23ff927f8092b1c0..6c2388b257f88194e3e1ca000711220526644e4a 100644
--- a/sky/engine/platform/graphics/GraphicsLayer.h
+++ b/sky/engine/platform/graphics/GraphicsLayer.h
@@ -43,7 +43,6 @@
 #include "public/platform/WebImageLayer.h"
 #include "public/platform/WebLayerClient.h"
 #include "public/platform/WebLayerScrollClient.h"
-#include "public/platform/WebNinePatchLayer.h"
 #include "wtf/OwnPtr.h"
 #include "wtf/PassOwnPtr.h"
 #include "wtf/Vector.h"
@@ -191,7 +190,6 @@ public:
 
     // Layer contents
     void setContentsToImage(Image*);
-    void setContentsToNinePatch(Image*, const IntRect& aperture);
     void setContentsToPlatformLayer(WebLayer* layer) { setContentsTo(layer); }
     bool hasContentsLayer() const { return m_contentsLayer; }
 
@@ -311,7 +309,6 @@ private:
 
     OwnPtr<WebContentLayer> m_layer;
     OwnPtr<WebImageLayer> m_imageLayer;
-    OwnPtr<WebNinePatchLayer> m_ninePatchLayer;
     WebLayer* m_contentsLayer;
     // We don't have ownership of m_contentsLayer, but we do want to know if a given layer is the
     // same as our current layer in setContentsTo(). Since m_contentsLayer may be deleted at this point,