Initial refactor of shaderbuilder

src/effects/SkColorFilters.cpp

Index: src/effects/SkColorFilters.cpp
diff --git a/src/effects/SkColorFilters.cpp b/src/effects/SkColorFilters.cpp
index 43df5e96a0b02a00331efe48c80995dafb2e5485..f16f07966e29a5da249a81bf6da2506a8072dba6 100644
--- a/src/effects/SkColorFilters.cpp
+++ b/src/effects/SkColorFilters.cpp
@@ -131,7 +131,7 @@ private:
 #include "GrEffectUnitTest.h"
 #include "GrTBackendEffectFactory.h"
 #include "gl/GrGLEffect.h"
-#include "gl/GrGLShaderBuilder.h"
+#include "gl/builders/GrGLProgramBuilder.h"
 #include "SkGr.h"
 
 namespace {
@@ -226,7 +226,7 @@ public:
             : INHERITED(factory) {
         }
 
-        virtual void emitCode(GrGLShaderBuilder* builder,
+        virtual void emitCode(GrGLProgramBuilder* builder,
                               const GrDrawEffect& drawEffect,
                               const GrEffectKey& key,
                               const char* outputColor,
@@ -238,7 +238,7 @@ public:
             SkASSERT(SkXfermode::kDst_Mode != mode);
             const char* colorFilterColorUniName = NULL;
             if (drawEffect.castEffect<ModeColorFilterEffect>().willUseFilterColor()) {
-                fFilterColorUni = builder->addUniform(GrGLShaderBuilder::kFragment_Visibility,
+                fFilterColorUni = builder->addUniform(GrGLProgramBuilder::kFragment_Visibility,
                                                       kVec4f_GrSLType, "FilterColor",
                                                       &colorFilterColorUniName);
             }
@@ -246,7 +246,8 @@ public:
             GrGLSLExpr4 filter =
                 color_filter_expression(mode, GrGLSLExpr4(colorFilterColorUniName), GrGLSLExpr4(inputColor));
 
-            builder->fsCodeAppendf("\t%s = %s;\n", outputColor, filter.c_str());
+            builder->getFragmentShaderBuilder()->
+                    codeAppendf("\t%s = %s;\n", outputColor, filter.c_str());
         }
 
         static void GenKey(const GrDrawEffect& drawEffect, const GrGLCaps&,