reset shader compilations for stats

src/gpu/gl/GrGLGpu.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 GrGLGpu_DEFINED
 #define GrGLGpu_DEFINED
 
@@ skipping 110 matching lines @@
 
     GrStencilAttachment* createStencilAttachmentForRenderTarget(const GrRenderTarget* rt,
                                                                 int width,
                                                                 int height) override;
 
     GrBackendObject createTestingOnlyBackendTexture(void* pixels, int w, int h,
                                                     GrPixelConfig config) const override;
     bool isTestingOnlyBackendTexture(GrBackendObject) const override;
     void deleteTestingOnlyBackendTexture(GrBackendObject, bool abandonTexture) const override;
 
+    void resetShaderCacheForTesting() const override;
+
 private:
     GrGLGpu(GrGLContext* ctx, GrContext* context);
 
     // GrGpu overrides
     void onResetContext(uint32_t resetBits) override;
 
     void xferBarrier(GrRenderTarget*, GrXferBarrierType) override;
 
     GrTexture* onCreateTexture(const GrSurfaceDesc& desc, GrGpuResource::LifeCycle lifeCycle,
                                const void* srcData, size_t rowBytes) override;
@@ skipping 65 matching lines @@
                                       const SkIRect& srcRect,
                                       const SkIPoint& dstPoint);
 
     static bool BlendCoeffReferencesConstant(GrBlendCoeff coeff);
 
     class ProgramCache : public ::SkNoncopyable {
     public:
         ProgramCache(GrGLGpu* gpu);
         ~ProgramCache();
 
+        void reset();
         void abandon();
         GrGLProgram* refProgram(const DrawArgs&);
 
     private:
         enum {
             // We may actually have kMaxEntries+1 shaders in the GL context because we create a new
             // shader before evicting from the cache.
             kMaxEntries = 128,
             kHashBits = 6,
         };
@@ skipping 299 matching lines @@
 
     // Mapping of pixel configs to known supported stencil formats to be used
     // when adding a stencil buffer to a framebuffer.
     int fPixelConfigToStencilIndex[kGrPixelConfigCnt];
 
     typedef GrGpu INHERITED;
     friend class GrGLPathRendering; // For accessing setTextureUnit.
 };
 
 #endif