Clean up GrGLSLFragmentProcessor-derived classes

src/effects/SkMagnifierImageFilter.cpp

Index: src/effects/SkMagnifierImageFilter.cpp
diff --git a/src/effects/SkMagnifierImageFilter.cpp b/src/effects/SkMagnifierImageFilter.cpp
index 45f630a0858b8f9745e3a47577fd7e46853eba06..734002dfaea4cb68c7f227d799a24c1cdab8f25e 100644
--- a/src/effects/SkMagnifierImageFilter.cpp
+++ b/src/effects/SkMagnifierImageFilter.cpp
@@ -100,9 +100,7 @@ typedef GrGLSLProgramDataManager::UniformHandle UniformHandle;
 
 class GrGLMagnifierEffect : public GrGLSLFragmentProcessor {
 public:
-    GrGLMagnifierEffect(const GrProcessor&);
-
-    virtual void emitCode(EmitArgs&) override;
+    void emitCode(EmitArgs&) override;
 
 protected:
     void onSetData(const GrGLSLProgramDataManager&, const GrProcessor&) override;
@@ -116,9 +114,6 @@ private:
     typedef GrGLSLFragmentProcessor INHERITED;
 };
 
-GrGLMagnifierEffect::GrGLMagnifierEffect(const GrProcessor&) {
-}
-
 void GrGLMagnifierEffect::emitCode(EmitArgs& args) {
     GrGLSLUniformHandler* uniformHandler = args.fUniformHandler;
     fOffsetVar = uniformHandler->addUniform(GrGLSLUniformHandler::kFragment_Visibility,
@@ -187,7 +182,7 @@ void GrMagnifierEffect::onGetGLSLProcessorKey(const GrGLSLCaps& caps,
 }
 
 GrGLSLFragmentProcessor* GrMagnifierEffect::onCreateGLSLInstance() const {
-    return new GrGLMagnifierEffect(*this);
+    return new GrGLMagnifierEffect;
 }
 
 GR_DEFINE_FRAGMENT_PROCESSOR_TEST(GrMagnifierEffect);