Split SkDevice into SkBaseDevice and SkBitmapDevice

experimental/PdfViewer/SkNulCanvas.h

Index: experimental/PdfViewer/SkNulCanvas.h
===================================================================
--- experimental/PdfViewer/SkNulCanvas.h	(revision 10994)
+++ experimental/PdfViewer/SkNulCanvas.h	(working copy)
@@ -15,7 +15,7 @@
     SK_DECLARE_INST_COUNT(SkNulCanvas);
 
     SkNulCanvas() {}
-    explicit SkNulCanvas(SkDevice* device) : SkCanvas(device) {}
+    explicit SkNulCanvas(SkBaseDevice* device) : SkCanvas(device) {}
 
     explicit SkNulCanvas(const SkBitmap& bitmap) : SkCanvas(bitmap) {}
     virtual ~SkNulCanvas() {}
@@ -90,7 +90,7 @@
 
 protected:
     virtual SkCanvas* canvasForDrawIter() {return NULL;}
-    virtual SkDevice* setDevice(SkDevice* device) {return NULL;}
+    virtual SkBaseDevice* setDevice(SkBaseDevice* device) {return NULL;}
 
 private:
     typedef SkCanvas INHERITED;