Create GLSLUniformHandler class for gpu backend

src/effects/SkPerlinNoiseShader.cpp

Index: src/effects/SkPerlinNoiseShader.cpp
diff --git a/src/effects/SkPerlinNoiseShader.cpp b/src/effects/SkPerlinNoiseShader.cpp
index 916cf78f0df5366fbf8404c07fe3d8cb01547052..51d84989a8cc72d543a1f126400974b319e54dc1 100644
--- a/src/effects/SkPerlinNoiseShader.cpp
+++ b/src/effects/SkPerlinNoiseShader.cpp
@@ -22,8 +22,8 @@
 #include "effects/GrConstColorProcessor.h"
 #include "glsl/GrGLSLFragmentProcessor.h"
 #include "glsl/GrGLSLFragmentShaderBuilder.h"
-#include "glsl/GrGLSLProgramBuilder.h"
 #include "glsl/GrGLSLProgramDataManager.h"
+#include "glsl/GrGLSLUniformHandler.h"
 #endif
 
 static const int kBlockSize = 256;
@@ -621,19 +621,20 @@ GrGLPerlinNoise::GrGLPerlinNoise(const GrProcessor& processor)
 
 void GrGLPerlinNoise::emitCode(EmitArgs& args) {
     GrGLSLFragmentBuilder* fragBuilder = args.fFragBuilder;
+    GrGLSLUniformHandler* uniformHandler = args.fUniformHandler;
     SkString vCoords = fragBuilder->ensureFSCoords2D(args.fCoords, 0);
 
-    fBaseFrequencyUni = args.fBuilder->addUniform(GrGLSLProgramBuilder::kFragment_Visibility,
-                                                  kVec2f_GrSLType, kDefault_GrSLPrecision,
-                                                  "baseFrequency");
-    const char* baseFrequencyUni = args.fBuilder->getUniformCStr(fBaseFrequencyUni);
+    fBaseFrequencyUni = uniformHandler->addUniform(GrGLSLUniformHandler::kFragment_Visibility,
+                                                   kVec2f_GrSLType, kDefault_GrSLPrecision,
+                                                   "baseFrequency");
+    const char* baseFrequencyUni = uniformHandler->getUniformCStr(fBaseFrequencyUni);
 
     const char* stitchDataUni = nullptr;
     if (fStitchTiles) {
-        fStitchDataUni = args.fBuilder->addUniform(GrGLSLProgramBuilder::kFragment_Visibility,
-                                                   kVec2f_GrSLType, kDefault_GrSLPrecision,
-                                                   "stitchData");
-        stitchDataUni = args.fBuilder->getUniformCStr(fStitchDataUni);
+        fStitchDataUni = uniformHandler->addUniform(GrGLSLUniformHandler::kFragment_Visibility,
+                                                    kVec2f_GrSLType, kDefault_GrSLPrecision,
+                                                    "stitchData");
+        stitchDataUni = uniformHandler->getUniformCStr(fStitchDataUni);
     }
 
     // There are 4 lines, so the center of each line is 1/8, 3/8, 5/8 and 7/8