Actually identify required saveLayers in SkGpuDevice::EXPERIMENTAL_drawPicture

tools/PictureRenderer.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 PictureRenderer_DEFINED
 #define PictureRenderer_DEFINED
 
@@ skipping 347 matching lines @@
 
     GrContext* getGrContext() {
         return fGrContext;
     }
 #endif
 
     SkCanvas* getCanvas() {
         return fCanvas;
     }
 
+    SkPicture* getPicture() {
+        return fPicture;
+    }
+
     PictureRenderer()
         : fPicture(NULL)
         , fJsonSummaryPtr(NULL)
         , fDeviceType(kBitmap_DeviceType)
         , fBBoxHierarchyType(kNone_BBoxHierarchyType)
         , fScaleFactor(SK_Scalar1)
 #if SK_SUPPORT_GPU
         , fGrContext(NULL)
         , fSampleCount(0)
 #endif
@@ skipping 283 matching lines @@
 
     typedef PictureRenderer INHERITED;
 };
 
 extern PictureRenderer* CreateGatherPixelRefsRenderer();
 extern PictureRenderer* CreatePictureCloneRenderer();
 
 }
 
 #endif  // PictureRenderer_DEFINED