Clean up GrGLSLFragmentProcessor-derived classes

src/gpu/effects/GrConfigConversionEffect.cpp

Index: src/gpu/effects/GrConfigConversionEffect.cpp
diff --git a/src/gpu/effects/GrConfigConversionEffect.cpp b/src/gpu/effects/GrConfigConversionEffect.cpp
index 5ac86a96756eba7266fbe44ada8a20bc18dfbe8a..ace736c49425ed996e4cefd3ce7ff574c116a605 100644
--- a/src/gpu/effects/GrConfigConversionEffect.cpp
+++ b/src/gpu/effects/GrConfigConversionEffect.cpp
@@ -16,9 +16,7 @@
 
 class GrGLConfigConversionEffect : public GrGLSLFragmentProcessor {
 public:
-    GrGLConfigConversionEffect() {}
-
-    virtual void emitCode(EmitArgs& args) override {
+    void emitCode(EmitArgs& args) override {
         const GrConfigConversionEffect& cce = args.fFp.cast<GrConfigConversionEffect>();
         const GrSwizzle& swizzle = cce.swizzle();
         GrConfigConversionEffect::PMConversion pmConversion = cce.pmConversion();