introduce Props to surface

include/core/SkBitmapDevice.h

Index: include/core/SkBitmapDevice.h
diff --git a/include/core/SkBitmapDevice.h b/include/core/SkBitmapDevice.h
index f8ce93a9272e1cdaf2967cd01a077fef12bb98f5..7ec14f84ec5bb6026c237cded6226e909146b9d3 100644
--- a/include/core/SkBitmapDevice.h
+++ b/include/core/SkBitmapDevice.h
@@ -21,7 +21,7 @@ public:
      *  valid for the bitmap to have no pixels associated with it. In that case,
      *  any drawing to this device will have no effect.
     */
-    SkBitmapDevice(const SkBitmap& bitmap);
+    SkBitmapDevice(const SkBitmap& bitmap, const SkSurfaceProps* = NULL);
 
     /**
      *  Construct a new device with the specified bitmap as its backend. It is
@@ -32,7 +32,9 @@ public:
 
     static SkBitmapDevice* Create(const SkImageInfo&,
                                   const SkDeviceProperties* = NULL);
-
+    
+    static SkBitmapDevice* Create(const SkBitmap&, const SkSurfaceProps* = NULL);
+    
     virtual SkImageInfo imageInfo() const SK_OVERRIDE;
 
 protected:
@@ -158,7 +160,8 @@ private:
 
     virtual SkImageFilter::Cache* getImageFilterCache() SK_OVERRIDE;
 
-    SkBitmap    fBitmap;
+          SkBitmap          fBitmap;
+    const SkSurfaceProps    fProps;
 
     typedef SkBaseDevice INHERITED;
 };