Use GrGLShaderBuilder::GenProgramOutput in GrGLProgram.

src/gpu/gl/GrGLProgramEffects.h

Index: src/gpu/gl/GrGLProgramEffects.h
diff --git a/src/gpu/gl/GrGLProgramEffects.h b/src/gpu/gl/GrGLProgramEffects.h
index 0f38cdbe6414dabf85778af4601cf54c6ae383eb..48d01c8ad7c34a0a3ada6e149bda80d7b8d665fc 100644
--- a/src/gpu/gl/GrGLProgramEffects.h
+++ b/src/gpu/gl/GrGLProgramEffects.h
@@ -24,7 +24,7 @@ class GrGLFragmentOnlyShaderBuilder;
  * and textures). It is built with GrGLProgramEffectsBuilder, then used to manage the necessary GL
  * state and shader uniforms.
  */
-class GrGLProgramEffects {
+class GrGLProgramEffects : public SkRefCnt {
 public:
     typedef GrBackendEffectFactory::EffectKey EffectKey;
     typedef GrGLUniformManager::UniformHandle UniformHandle;
@@ -122,6 +122,9 @@ protected:
 
     SkTArray<GrGLEffect*>                  fGLEffects;
     SkTArray<SkSTArray<4, Sampler, true> > fSamplers;
+
+private:
+    typedef SkRefCnt INHERITED;
 };
 
 /**