Remove backend factories

src/gpu/effects/GrConvolutionEffect.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 GrConvolutionEffect_DEFINED
 #define GrConvolutionEffect_DEFINED
 
 #include "Gr1DKernelEffect.h"
 #include "GrInvariantOutput.h"
 
-class GrGLConvolutionEffect;
-
 /**
  * A convolution effect. The kernel is specified as an array of 2 * half-width
  * + 1 weights. Each texel is multiplied by it's weight and summed to determine
  * the output color. The output color is modulated by the input color.
  */
 class GrConvolutionEffect : public Gr1DKernelEffect {
 
 public:
 
     /// Convolve with an arbitrary user-specified kernel
@@ skipping 26 matching lines @@
                                                 bounds));
     }
 
     virtual ~GrConvolutionEffect();
 
     const float* kernel() const { return fKernel; }
 
     const float* bounds() const { return fBounds; }
     bool useBounds() const { return fUseBounds; }
 
-    static const char* Name() { return "Convolution"; }
+    virtual const char* name() const SK_OVERRIDE { return "Convolution"; }
 
-    typedef GrGLConvolutionEffect GLProcessor;
+    virtual void getGLProcessorKey(const GrGLCaps&, GrProcessorKeyBuilder*) const SK_OVERRIDE;
 
-    virtual const GrBackendFragmentProcessorFactory& getFactory() const SK_OVERRIDE;
+    virtual GrGLFragmentProcessor* createGLInstance() const SK_OVERRIDE;
 
     enum {
         // This was decided based on the min allowed value for the max texture
         // samples per fragment program run in DX9SM2 (32). A sigma param of 4.0
         // on a blur filter gives a kernel width of 25 while a sigma of 5.0
         // would exceed a 32 wide kernel.
         kMaxKernelRadius = 12,
         // With a C++11 we could have a constexpr version of WidthFromRadius()
         // and not have to duplicate this calculation.
         kMaxKernelWidth = 2 * kMaxKernelRadius + 1,
@@ skipping 26 matching lines @@
         // kernel values.
         inout->mulByUnknownColor();
     }
 
     GR_DECLARE_FRAGMENT_PROCESSOR_TEST;
 
     typedef Gr1DKernelEffect INHERITED;
 };
 
 #endif