Make GrDrawTarget::Caps ref counted and GrGLCaps derive from it.

src/gpu/gl/GrGLShaderBuilder.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 "gl/GrGLShaderBuilder.h"
 #include "gl/GrGLProgram.h"
 #include "gl/GrGLUniformHandle.h"
@@ skipping 140 matching lines @@
                                             const GrGLShaderBuilder::TextureSampler& sampler,
                                             const char* coordName,
                                             GrSLType varyingType) const {
     GrAssert(NULL != sampler.textureAccess());
     GrAssert(NULL != coordName);
 
     out->appendf("%s(%s, %s)",
                  sample_function_name(varyingType, fCtxInfo.glslGeneration()),
                  this->getUniformCStr(sampler.fSamplerUniform),
                  coordName);
-    append_swizzle(out, *sampler.textureAccess(), fCtxInfo.caps());
+    append_swizzle(out, *sampler.textureAccess(), *fCtxInfo.caps());
 }
 
 void GrGLShaderBuilder::appendTextureLookup(ShaderType type,
                                             const GrGLShaderBuilder::TextureSampler& sampler,
                                             const char* coordName,
                                             GrSLType varyingType) {
     GrAssert(kFragment_ShaderType == type);
     this->appendTextureLookup(&fFSCode, sampler, coordName, varyingType);
 }
 
@@ skipping 153 matching lines @@
     fFSInputs.back().setType(type);
     fFSInputs.back().setTypeModifier(GrGLShaderVar::kIn_TypeModifier);
     fFSInputs.back().setName(*fsName);
     if (fsInName) {
         *fsInName = fsName->c_str();
     }
 }
 
 const char* GrGLShaderBuilder::fragmentPosition() {
 #if 1
-    if (fCtxInfo.caps().fragCoordConventionsSupport()) {
+    if (fCtxInfo.caps()->fragCoordConventionsSupport()) {
         if (!fSetupFragPosition) {
             if (fCtxInfo.glslGeneration() < k150_GrGLSLGeneration) {
                 fFSHeader.append("#extension GL_ARB_fragment_coord_conventions: require\n");
             }
             fFSInputs.push_back().set(kVec4f_GrSLType,
                                       GrGLShaderVar::kIn_TypeModifier,
                                       "gl_FragCoord",
                                       GrGLShaderVar::kDefault_Precision,
                                       GrGLShaderVar::kUpperLeft_Origin);
             fSetupFragPosition = true;
@@ skipping 206 matching lines @@
     for (const AttributePair* attrib = this->getEffectAttributes().begin();
          attrib != attribEnd;
          ++attrib) {
         if (attrib->fIndex == attributeIndex) {
             return &attrib->fName;
         }
     }
 
     return NULL;
 }