Add ShaderBuilders to EmitArgs and remove gettings from ProgBuilder.

src/effects/gradients/SkLinearGradient.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkLinearGradient.h"
 
 static inline int repeat_bits(int x, const int bits) {
@@ skipping 510 matching lines @@
         GrTest::TestMatrix(d->fRandom), NULL, kNone_SkFilterQuality);
     GrAlwaysAssert(fp);
     return fp;
 }
 
 /////////////////////////////////////////////////////////////////////
 
 void GrGLLinearGradient::emitCode(EmitArgs& args) {
     const GrLinearGradient& ge = args.fFp.cast<GrLinearGradient>();
     this->emitUniforms(args.fBuilder, ge);
-    SkString t = args.fBuilder->getFragmentShaderBuilder()->ensureFSCoords2D(args.fCoords, 0);
+    SkString t = args.fFragBuilder->ensureFSCoords2D(args.fCoords, 0);
     t.append(".x");
-    this->emitColor(args.fBuilder, ge, t.c_str(), args.fOutputColor, args.fInputColor,
+    this->emitColor(args.fBuilder,
+                    args.fFragBuilder,
+                    ge, t.c_str(),
+                    args.fOutputColor,
+                    args.fInputColor,
                     args.fSamplers);
 }
 
 /////////////////////////////////////////////////////////////////////
 
 const GrFragmentProcessor* SkLinearGradient::asFragmentProcessor(
                                                  GrContext* context,
                                                  const SkMatrix& viewm,
                                                  const SkMatrix* localMatrix,
                                                  SkFilterQuality) const {
@@ skipping 25 matching lines @@
     str->append("SkLinearGradient (");
 
     str->appendf("start: (%f, %f)", fStart.fX, fStart.fY);
     str->appendf(" end: (%f, %f) ", fEnd.fX, fEnd.fY);
 
     this->INHERITED::toString(str);
 
     str->append(")");
 }
 #endif