move annotations to canvas virtual

include/core/SkDevice.h

 /*
  * Copyright 2010 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkDevice_DEFINED
 #define SkDevice_DEFINED
 
@@ skipping 234 matching lines @@
     virtual void drawTextBlob(const SkDraw&, const SkTextBlob*, SkScalar x, SkScalar y,
                               const SkPaint& paint, SkDrawFilter* drawFilter);
     // default implementation calls drawVertices
     virtual void drawPatch(const SkDraw&, const SkPoint cubics[12], const SkColor colors[4],
                            const SkPoint texCoords[4], SkXfermode* xmode, const SkPaint& paint);
 
     // default implementation calls drawPath
     virtual void drawAtlas(const SkDraw&, const SkImage* atlas, const SkRSXform[], const SkRect[],
                            const SkColor[], int count, SkXfermode::Mode, const SkPaint&);
 
+    virtual void drawAnnotation(const SkDraw&, const SkRect&, const char[], SkData*) {}
+
     /** The SkDevice passed will be an SkDevice which was returned by a call to
         onCreateDevice on this device with kNeverTile_TileExpectation.
      */
     virtual void drawDevice(const SkDraw&, SkBaseDevice*, int x, int y,
                             const SkPaint&) = 0;
 
     virtual void drawTextOnPath(const SkDraw&, const void* text, size_t len, const SkPath&,
                                 const SkMatrix*, const SkPaint&);
 
     bool readPixels(const SkImageInfo&, void* dst, size_t rowBytes, int x, int y);
@@ skipping 148 matching lines @@
     SkSurfaceProps fSurfaceProps;
 
 #ifdef SK_DEBUG
     bool        fAttachedToCanvas;
 #endif
 
     typedef SkRefCnt INHERITED;
 };
 
 #endif