Use GLSLCaps for creating processor keys and GLSL-specific programs

src/gpu/effects/GrCustomXfermodePriv.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 GrCustomXfermodePriv_DEFINED
 #define GrCustomXfermodePriv_DEFINED
 
@@ skipping 11 matching lines @@
 class GrTexture;
 
 ///////////////////////////////////////////////////////////////////////////////
 // Fragment Processor
 ///////////////////////////////////////////////////////////////////////////////
 
 class GrCustomXferFP : public GrFragmentProcessor {
 public:
     GrCustomXferFP(SkXfermode::Mode mode, GrTexture* background);
 
-    void getGLProcessorKey(const GrGLCaps& caps, GrProcessorKeyBuilder* b) const override; 
+    void getGLProcessorKey(const GrGLSLCaps& caps, GrProcessorKeyBuilder* b) const override; 
 
     GrGLFragmentProcessor* createGLInstance() const override;
 
     const char* name() const override { return "Custom Xfermode"; }
 
     SkXfermode::Mode mode() const { return fMode; }
     const GrTextureAccess&  backgroundAccess() const { return fBackgroundAccess; }
 
 private:
     bool onIsEqual(const GrFragmentProcessor& other) const override; 
@@ skipping 46 matching lines @@
     }
 
     GR_DECLARE_XP_FACTORY_TEST;
 
     SkXfermode::Mode fMode;
 
     typedef GrXPFactory INHERITED;
 };
 #endif