Stop creating static GrProcessor instances

src/gpu/effects/GrDitherEffect.cpp

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrDitherEffect.h"
 #include "GrFragmentProcessor.h"
 #include "GrInvariantOutput.h"
 #include "SkRect.h"
 #include "gl/GrGLFragmentProcessor.h"
 #include "gl/builders/GrGLProgramBuilder.h"
 
 //////////////////////////////////////////////////////////////////////////////
 
 class DitherEffect : public GrFragmentProcessor {
 public:
     static GrFragmentProcessor* Create() {
-        static DitherEffect gDitherEffect;
-        return SkRef(&gDitherEffect);
+        return new DitherEffect;
     }
 
     virtual ~DitherEffect() {};
 
     const char* name() const override { return "Dither"; }
 
 private:
     DitherEffect() {
         this->initClassID<DitherEffect>();
         this->setWillReadFragmentPosition();
@@ skipping 63 matching lines @@
 void DitherEffect::onGetGLProcessorKey(const GrGLSLCaps& caps,
                                      GrProcessorKeyBuilder* b) const {
     GLDitherEffect::GenKey(*this, caps, b);
 }
 
 GrGLFragmentProcessor* DitherEffect::onCreateGLInstance() const  {
     return new GLDitherEffect(*this);
 }
 
 GrFragmentProcessor* GrDitherEffect::Create() { return DitherEffect::Create(); }