Deprecate SkDevice::accessBitmap method

src/svg/SkSVGDevice.h

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkSVGDevice_DEFINED
 #define SkSVGDevice_DEFINED
 
@@ skipping 37 matching lines @@
                         const SkPath& path, const SkMatrix* matrix,
                         const SkPaint& paint) override;
     void drawVertices(const SkDraw&, SkCanvas::VertexMode, int vertexCount,
                       const SkPoint verts[], const SkPoint texs[],
                       const SkColor colors[], SkXfermode* xmode,
                       const uint16_t indices[], int indexCount,
                       const SkPaint& paint) override;
 
     void drawDevice(const SkDraw&, SkBaseDevice*, int x, int y,
                     const SkPaint&) override;
-    const SkBitmap& onAccessBitmap() override;
 
 private:
     SkSVGDevice(const SkISize& size, SkXMLWriter* writer);
     virtual ~SkSVGDevice();
 
     void drawBitmapCommon(const SkDraw& draw, const SkBitmap& bm, const SkPaint& paint);
 
     class AutoElement;
     class ResourceBucket;
 
     SkXMLWriter*                  fWriter;
     SkAutoTDelete<AutoElement>    fRootElement;
     SkAutoTDelete<ResourceBucket> fResourceBucket;
-    SkBitmap                      fLegacyBitmap;
+    SkISize                       fSize;
 
     typedef SkBaseDevice INHERITED;
 };
 
 #endif // SkSVGDevice_DEFINED