Revert of Sketch splitting SkPicture into an interface and SkBigPicture.

src/gpu/SkGpuDevice.h

 
 /*
  * Copyright 2010 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkGpuDevice_DEFINED
 #define SkGpuDevice_DEFINED
@@ skipping 199 matching lines @@
                          SkCanvas::DrawBitmapRectFlags flags,
                          int tileSize,
                          bool bicubic);
 
     void internalDrawPath(const SkPath& origSrcPath, const SkPaint& paint,
                           const SkMatrix& origViewMatrix, const SkMatrix* prePathMatrix,
                           const SkIRect& clipBounds, bool pathIsMutable);
 
     bool drawDashLine(const SkPoint pts[2], const SkPaint& paint);
 
+    static SkPicture::AccelData::Key ComputeAccelDataKey();
+
     static GrRenderTarget* CreateRenderTarget(GrContext*, SkSurface::Budgeted, const SkImageInfo&,
                                               int sampleCount);
 
     friend class GrAtlasTextContext;
     friend class GrTextContext;
     typedef SkBaseDevice INHERITED;
 };
 
 #endif