Make GrGLProgramBuilder a local stack variable in CreateProgram

src/gpu/gl/builders/GrGLProgramBuilder.cpp

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrGLProgramBuilder.h"
 
 #include "GrAutoLocaleSetter.h"
@@ skipping 15 matching lines @@
 #include "glsl/GrGLSLXferProcessor.h"
 
 #define GL_CALL(X) GR_GL_CALL(this->gpu()->glInterface(), X)
 #define GL_CALL_RET(R, X) GR_GL_CALL_RET(this->gpu()->glInterface(), R, X)
 
 GrGLProgram* GrGLProgramBuilder::CreateProgram(const DrawArgs& args, GrGLGpu* gpu) {
     GrAutoLocaleSetter als("C");
 
     // create a builder.  This will be handed off to effects so they can use it to add
     // uniforms, varyings, textures, etc
-    SkAutoTDelete<GrGLProgramBuilder> builder(new GrGLProgramBuilder(gpu, args));
-
-    GrGLProgramBuilder* pb = builder.get();
+    GrGLProgramBuilder builder(gpu, args);
 
     // TODO: Once all stages can handle taking a float or vec4 and correctly handling them we can
     // seed correctly here
     GrGLSLExpr4 inputColor;
     GrGLSLExpr4 inputCoverage;
 
-    if (!pb->emitAndInstallProcs(&inputColor,
-                                 &inputCoverage,
-                                 gpu->glCaps().maxFragmentTextureUnits())) {
-        pb->cleanupFragmentProcessors();
+    if (!builder.emitAndInstallProcs(&inputColor,
+                                     &inputCoverage,
+                                     gpu->glCaps().maxFragmentTextureUnits())) {
+        builder.cleanupFragmentProcessors();
         return nullptr;
     }
 
-    return pb->finalize();
+    return builder.finalize();
 }
 
 /////////////////////////////////////////////////////////////////////////////
 
 GrGLProgramBuilder::GrGLProgramBuilder(GrGLGpu* gpu, const DrawArgs& args)
     : INHERITED(args)
     , fGpu(gpu)
     , fSamplerUniforms(4)
     , fVaryingHandler(this)
     , fUniformHandler(this) {
@@ skipping 204 matching lines @@
                            fUniformHandles,
                            programID,
                            fUniformHandler.fUniforms,
                            fVaryingHandler.fPathProcVaryingInfos,
                            fGeometryProcessor,
                            fXferProcessor,
                            fFragmentProcessors,
                            &fSamplerUniforms);
 }