Remove SkCanvas::isDrawingToLayer

include/utils/SkDeferredCanvas.h

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkDeferredCanvas_DEFINED
 #define SkDeferredCanvas_DEFINED
 
@@ skipping 126 matching lines @@
      */
     void setBitmapSizeThreshold(size_t sizeThreshold);
     size_t getBitmapSizeThreshold() const { return fBitmapSizeThreshold; }
 
     /**
      * Executes all pending commands without drawing
      */
     void silentFlush();
 
     // Overrides of the SkCanvas interface
-    virtual bool isDrawingToLayer() const SK_OVERRIDE;
     virtual void drawPaint(const SkPaint& paint) SK_OVERRIDE;
     virtual void drawPoints(PointMode mode, size_t count, const SkPoint pts[],
                             const SkPaint& paint) SK_OVERRIDE;
     virtual void drawOval(const SkRect&, const SkPaint& paint) SK_OVERRIDE;
     virtual void drawRect(const SkRect& rect, const SkPaint& paint) SK_OVERRIDE;
     virtual void drawRRect(const SkRRect&, const SkPaint& paint) SK_OVERRIDE;
     virtual void drawPath(const SkPath& path, const SkPaint& paint)
                           SK_OVERRIDE;
     virtual void drawBitmap(const SkBitmap& bitmap, SkScalar left,
                             SkScalar top, const SkPaint* paint)
@@ skipping 83 matching lines @@
 private:
     SkDeferredCanvas(SkDeferredDevice*);
 
     void recordedDrawCommand();
     SkCanvas* drawingCanvas() const;
     SkCanvas* immediateCanvas() const;
     bool isFullFrame(const SkRect*, const SkPaint*) const;
     void validate() const;
     void init();
 
+
+    int fSaveLevel;
+    int fFirstSaveLayerIndex;
     size_t fBitmapSizeThreshold;
     bool   fDeferredDrawing;
 
     mutable SkISize fCachedCanvasSize;
     mutable bool    fCachedCanvasSizeDirty;
 
     friend class SkDeferredCanvasTester; // for unit testing
     typedef SkCanvas INHERITED;
 };
 
 
 #endif