reset shader compilations for stats

src/gpu/GrGpu.h

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrGpu_DEFINED
 #define GrGpu_DEFINED
 
@@ skipping 379 matching lines @@
 
     // Determines whether a copy of a texture must be made in order to be compatible with
     // a given GrTextureParams. If so, the width, height and filter used for the copy are
     // output via the CopyParams.
     bool makeCopyForTextureParams(int width, int height, const GrTextureParams&,
                                   GrTextureProducer::CopyParams*) const;
 
     // This is only to be used in GL-specific tests.
     virtual const GrGLContext* glContextForTesting() const { return nullptr; }
 
+    // This is only to be used by testing code
+    virtual void resetShaderCacheForTesting() const {}
+
 protected:
     // Functions used to map clip-respecting stencil tests into normal
     // stencil funcs supported by GPUs.
     static GrStencilFunc ConvertStencilFunc(bool stencilInClip,
                                             GrStencilFunc func);
     static void ConvertStencilFuncAndMask(GrStencilFunc func,
                                           bool clipInStencil,
                                           unsigned int clipBit,
                                           unsigned int userBits,
                                           unsigned int* ref,
@@ skipping 93 matching lines @@
     ResetTimestamp                                                      fResetTimestamp;
     uint32_t                                                            fResetBits;
     // The context owns us, not vice-versa, so this ptr is not ref'ed by Gpu.
     GrContext*                                                          fContext;
 
     friend class GrPathRendering;
     typedef SkRefCnt INHERITED;
 };
 
 #endif