Create GLSLUniformHandler class for gpu backend

src/gpu/effects/GrTextureDomain.h

Index: src/gpu/effects/GrTextureDomain.h
diff --git a/src/gpu/effects/GrTextureDomain.h b/src/gpu/effects/GrTextureDomain.h
index 49e557d18ab7ed07d22e2c24e3cd7bbf138ec57c..891ce10b38d571f754e0aa46faa7490c97efc08c 100644
--- a/src/gpu/effects/GrTextureDomain.h
+++ b/src/gpu/effects/GrTextureDomain.h
@@ -16,6 +16,7 @@ class GrGLProgramBuilder;
 class GrGLSLShaderBuilder;
 class GrInvariantOutput;
 class GrGLSLTextureSampler;
+class GrGLSLUniformHandler;
 struct SkRect;
 
 /**
@@ -114,6 +115,7 @@ public:
          *                          expression before being written to outColor.
          */
         void sampleTexture(GrGLSLShaderBuilder* builder,
+                           GrGLSLUniformHandler* uniformHandler,
                            const GrGLSLCaps* glslCaps,
                            const GrTextureDomain& textureDomain,
                            const char* outColor,