Added tree structure to GrGLFragmentProcessor, i.e. GL instances

src/gpu/effects/GrSimpleTextureEffect.cpp

Index: src/gpu/effects/GrSimpleTextureEffect.cpp
diff --git a/src/gpu/effects/GrSimpleTextureEffect.cpp b/src/gpu/effects/GrSimpleTextureEffect.cpp
index e3389bbce5bc6c2eee067b2f8dc1bd4f68b49bf1..0bd1fcdefc5bea8f8d40b1668bea1dba91f4e47f 100644
--- a/src/gpu/effects/GrSimpleTextureEffect.cpp
+++ b/src/gpu/effects/GrSimpleTextureEffect.cpp
@@ -42,7 +42,7 @@ void GrSimpleTextureEffect::onGetGLProcessorKey(const GrGLSLCaps& caps,
     GrGLSimpleTextureEffect::GenKey(*this, caps, b);
 }
 
-GrGLFragmentProcessor* GrSimpleTextureEffect::createGLInstance() const  {
+GrGLFragmentProcessor* GrSimpleTextureEffect::onCreateGLInstance() const  {
     return SkNEW_ARGS(GrGLSimpleTextureEffect, (*this));
 }