Move shader precision modifier check onto GLSLCaps

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 141 matching lines @@
     if (outName) {
         *outName = uni.fVariable.c_str();
     }
     return GrGLProgramDataManager::UniformHandle(fUniforms.count() - 1);
 }
 
 void GrGLProgramBuilder::appendUniformDecls(ShaderVisibility visibility,
                                             SkString* out) const {
     for (int i = 0; i < fUniforms.count(); ++i) {
         if (fUniforms[i].fVisibility & visibility) {
-            fUniforms[i].fVariable.appendDecl(this->ctxInfo(), out);
+            fUniforms[i].fVariable.appendDecl(this->glslCaps(), out);
             out->append(";\n");
         }
     }
 }
 
 const GrGLContextInfo& GrGLProgramBuilder::ctxInfo() const {
     return fGpu->ctxInfo();
 }
 
+const GrGLSLCaps* GrGLProgramBuilder::glslCaps() const {
+    return this->ctxInfo().caps()->glslCaps();
+}
+
 bool GrGLProgramBuilder::emitAndInstallProcs(GrGLSLExpr4* inputColor, GrGLSLExpr4* inputCoverage) {
     // First we loop over all of the installed processors and collect coord transforms.  These will
     // be sent to the GrGLPrimitiveProcessor in its emitCode function
     const GrPrimitiveProcessor& primProc = this->primitiveProcessor();
     int totalTextures = primProc.numTextures();
     const int maxTextureUnits = fGpu->glCaps().maxFragmentTextureUnits();
 
     for (int i = 0; i < this->pipeline().numFragmentProcessors(); i++) {
         const GrFragmentProcessor& processor = this->pipeline().getFragmentProcessor(i);
 
@@ skipping 332 matching lines @@
 }
 
 ///////////////////////////////////////////////////////////////////////////////////////////////////
 
 GrGLInstalledFragProcs::~GrGLInstalledFragProcs() {
     int numProcs = fProcs.count();
     for (int i = 0; i < numProcs; ++i) {
         delete fProcs[i];
     }
 }