Add ShaderBuilders to EmitArgs and remove gettings from ProgBuilder.

src/gpu/glsl/GrGLSLFragmentProcessor.h

Index: src/gpu/glsl/GrGLSLFragmentProcessor.h
diff --git a/src/gpu/glsl/GrGLSLFragmentProcessor.h b/src/gpu/glsl/GrGLSLFragmentProcessor.h
index fa4f043ff73f638233bf8b2f767820608dd80593..816b648c47fd9fea634ae39399240b93ce6dd389 100644
--- a/src/gpu/glsl/GrGLSLFragmentProcessor.h
+++ b/src/gpu/glsl/GrGLSLFragmentProcessor.h
@@ -15,6 +15,7 @@
 class GrProcessor;
 class GrProcessorKeyBuilder;
 class GrGLSLFPBuilder;
+class GrGLSLFragmentBuilder;
 class GrGLSLCaps;
 
 class GrGLSLFragmentProcessor {
@@ -51,18 +52,21 @@ public:
 
     struct EmitArgs {
         EmitArgs(GrGLSLFPBuilder* builder,
+                 GrGLSLFragmentBuilder* fragBuilder,
                  const GrFragmentProcessor& fp,
                  const char* outputColor,
                  const char* inputColor,
                  const GrGLSLTransformedCoordsArray& coords,
                  const TextureSamplerArray& samplers)
             : fBuilder(builder)
+            , fFragBuilder(fragBuilder)
             , fFp(fp)
             , fOutputColor(outputColor)
             , fInputColor(inputColor)
             , fCoords(coords)
             , fSamplers(samplers) {}
         GrGLSLFPBuilder* fBuilder;
+        GrGLSLFragmentBuilder* fFragBuilder;
         const GrFragmentProcessor& fFp;
         const char* fOutputColor;
         const char* fInputColor;