Move shader precision modifier check onto GLSLCaps

src/gpu/gl/builders/GrGLShaderBuilder.cpp

Index: src/gpu/gl/builders/GrGLShaderBuilder.cpp
diff --git a/src/gpu/gl/builders/GrGLShaderBuilder.cpp b/src/gpu/gl/builders/GrGLShaderBuilder.cpp
index 84c3c6522ca982c438b713c840e6a2def4f82c4a..c2a9dc0bf5f9374df8a121b2513793627bb4399e 100644
--- a/src/gpu/gl/builders/GrGLShaderBuilder.cpp
+++ b/src/gpu/gl/builders/GrGLShaderBuilder.cpp
@@ -8,8 +8,10 @@
 #include "GrGLShaderBuilder.h"
 #include "GrGLProgramBuilder.h"
 #include "GrGLShaderStringBuilder.h"
-#include "../GrGLGpu.h"
-#include "../GrGLShaderVar.h"
+#include "gl/GrGLCaps.h"
+#include "gl/GrGLContext.h"
+#include "gl/GrGLGpu.h"
+#include "gl/GrGLShaderVar.h"
 #include "glsl/GrGLSLCaps.h"
 
 namespace {
@@ -67,7 +69,7 @@ GrGLShaderBuilder::GrGLShaderBuilder(GrGLProgramBuilder* program)
 
 void GrGLShaderBuilder::declAppend(const GrGLShaderVar& var) {
     SkString tempDecl;
-    var.appendDecl(fProgramBuilder->ctxInfo(), &tempDecl);
+    var.appendDecl(fProgramBuilder->glslCaps(), &tempDecl);
     this->codeAppendf("%s;", tempDecl.c_str());
 }
 
@@ -81,9 +83,8 @@ void GrGLShaderBuilder::emitFunction(GrSLType returnType,
     fProgramBuilder->nameVariable(outName, '\0', name);
     this->functions().appendf(" %s", outName->c_str());
     this->functions().append("(");
-    const GrGLContextInfo& ctxInfo = fProgramBuilder->gpu()->ctxInfo();
     for (int i = 0; i < argCnt; ++i) {
-        args[i].appendDecl(ctxInfo, &this->functions());
+        args[i].appendDecl(fProgramBuilder->glslCaps(), &this->functions());
         if (i < argCnt - 1) {
             this->functions().append(", ");
         }
@@ -147,7 +148,7 @@ void GrGLShaderBuilder::addFeature(uint32_t featureBit, const char* extensionNam
 
 void GrGLShaderBuilder::appendDecls(const VarArray& vars, SkString* out) const {
     for (int i = 0; i < vars.count(); ++i) {
-        vars[i].appendDecl(fProgramBuilder->ctxInfo(), out);
+        vars[i].appendDecl(fProgramBuilder->glslCaps(), out);
         out->append(";\n");
     }
 }