Create GLSLUniformHandler class for gpu backend

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 0fd1ae3c32f757b45d814f41c7d7e7a14d03148b..ca72a9c415b3df4d6fe1fb0bdba1989dd0e36ab3 100644
--- a/src/gpu/glsl/GrGLSLFragmentProcessor.h
+++ b/src/gpu/glsl/GrGLSLFragmentProcessor.h
@@ -14,9 +14,10 @@
 
 class GrProcessor;
 class GrProcessorKeyBuilder;
+class GrGLSLCaps;
 class GrGLSLFPBuilder;
 class GrGLSLFragmentBuilder;
-class GrGLSLCaps;
+class GrGLSLUniformHandler;
 
 class GrGLSLFragmentProcessor {
 public:
@@ -51,24 +52,24 @@ public:
      */
 
     struct EmitArgs {
-        EmitArgs(GrGLSLFPBuilder* builder,
-                 GrGLSLFragmentBuilder* fragBuilder,
+        EmitArgs(GrGLSLFragmentBuilder* fragBuilder,
+                 GrGLSLUniformHandler* uniformHandler,
                  const GrGLSLCaps* caps,
                  const GrFragmentProcessor& fp,
                  const char* outputColor,
                  const char* inputColor,
                  const GrGLSLTransformedCoordsArray& coords,
                  const TextureSamplerArray& samplers)
-            : fBuilder(builder)
-            , fFragBuilder(fragBuilder)
+            : fFragBuilder(fragBuilder)
+            , fUniformHandler(uniformHandler)
             , fGLSLCaps(caps)
             , fFp(fp)
             , fOutputColor(outputColor)
             , fInputColor(inputColor)
             , fCoords(coords)
             , fSamplers(samplers) {}
-        GrGLSLFPBuilder* fBuilder;
         GrGLSLFragmentBuilder* fFragBuilder;
+        GrGLSLUniformHandler* fUniformHandler;
         const GrGLSLCaps* fGLSLCaps;
         const GrFragmentProcessor& fFp;
         const char* fOutputColor;