Add more specialized fragment builders

src/effects/gradients/SkTwoPointConicalGradient_gpu.cpp

Index: src/effects/gradients/SkTwoPointConicalGradient_gpu.cpp
diff --git a/src/effects/gradients/SkTwoPointConicalGradient_gpu.cpp b/src/effects/gradients/SkTwoPointConicalGradient_gpu.cpp
index b89f88a3a6c018ee12fef2311c46ff23aeebd516..83d5af86145294f54b93a6823267da020b1f6a2c 100644
--- a/src/effects/gradients/SkTwoPointConicalGradient_gpu.cpp
+++ b/src/effects/gradients/SkTwoPointConicalGradient_gpu.cpp
@@ -245,7 +245,7 @@ void GLEdge2PtConicalEffect::emitCode(EmitArgs& args) {
     SkASSERT(args.fCoords[0].getType() == args.fCoords[1].getType());
     const char* coords2D;
     SkString bVar;
-    GrGLSLFragmentBuilder* fragBuilder = args.fFragBuilder;
+    GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder;
     if (kVec3f_GrSLType == args.fCoords[0].getType()) {
         fragBuilder->codeAppendf("\tvec3 interpolants = vec3(%s.xy / %s.z, %s.x / %s.z);\n",
                                args.fCoords[0].c_str(), args.fCoords[0].c_str(),
@@ -521,7 +521,7 @@ void GLFocalOutside2PtConicalEffect::emitCode(EmitArgs& args) {
     uniformHandler->getUniformVariable(fParamUni).appendArrayAccess(1, &p1);
 
     // if we have a vec3 from being in perspective, convert it to a vec2 first
-    GrGLSLFragmentBuilder* fragBuilder = args.fFragBuilder;
+    GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder;
     SkString coords2DString = fragBuilder->ensureFSCoords2D(args.fCoords, 0);
     const char* coords2D = coords2DString.c_str();
 
@@ -730,7 +730,7 @@ void GLFocalInside2PtConicalEffect::emitCode(EmitArgs& args) {
     GrGLSLShaderVar focal = uniformHandler->getUniformVariable(fFocalUni);
 
     // if we have a vec3 from being in perspective, convert it to a vec2 first
-    GrGLSLFragmentBuilder* fragBuilder = args.fFragBuilder;
+    GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder;
     SkString coords2DString = fragBuilder->ensureFSCoords2D(args.fCoords, 0);
     const char* coords2D = coords2DString.c_str();
 
@@ -987,7 +987,7 @@ void GLCircleInside2PtConicalEffect::emitCode(EmitArgs& args) {
     GrGLSLShaderVar params = uniformHandler->getUniformVariable(fParamUni);
 
     // if we have a vec3 from being in perspective, convert it to a vec2 first
-    GrGLSLFragmentBuilder* fragBuilder = args.fFragBuilder;
+    GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder;
     SkString coords2DString = fragBuilder->ensureFSCoords2D(args.fCoords, 0);
     const char* coords2D = coords2DString.c_str();
 
@@ -1224,7 +1224,7 @@ void GLCircleOutside2PtConicalEffect::emitCode(EmitArgs& args) {
     GrGLSLShaderVar params = uniformHandler->getUniformVariable(fParamUni);
 
     // if we have a vec3 from being in perspective, convert it to a vec2 first
-    GrGLSLFragmentBuilder* fragBuilder = args.fFragBuilder;
+    GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder;
     SkString coords2DString = fragBuilder->ensureFSCoords2D(args.fCoords, 0);
     const char* coords2D = coords2DString.c_str();