Add more specialized fragment builders

src/gpu/effects/GrOvalEffect.cpp

Index: src/gpu/effects/GrOvalEffect.cpp
diff --git a/src/gpu/effects/GrOvalEffect.cpp b/src/gpu/effects/GrOvalEffect.cpp
index aea73e15fd48ec5c8ce200ade80b84422a30e33c..3e6287bbd2f24a1d2609ef6ada84a336ea172a5f 100644
--- a/src/gpu/effects/GrOvalEffect.cpp
+++ b/src/gpu/effects/GrOvalEffect.cpp
@@ -120,7 +120,7 @@ void GLCircleEffect::emitCode(EmitArgs& args) {
                                                       "circle",
                                                       &circleName);
 
-    GrGLSLFragmentBuilder* fragBuilder = args.fFragBuilder;
+    GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder;
     const char* fragmentPos = fragBuilder->fragmentPosition();
 
     SkASSERT(kHairlineAA_GrProcessorEdgeType != ce.getEdgeType());
@@ -301,7 +301,7 @@ void GLEllipseEffect::emitCode(EmitArgs& args) {
             "scale", &scaleName);
     }
 
-    GrGLSLFragmentBuilder* fragBuilder = args.fFragBuilder;
+    GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder;
     const char* fragmentPos = fragBuilder->fragmentPosition();
 
     // d is the offset to the ellipse center