Add counting of some GL calls

src/gpu/gl/builders/GrGLVertexShaderBuilder.cpp

Index: src/gpu/gl/builders/GrGLVertexShaderBuilder.cpp
diff --git a/src/gpu/gl/builders/GrGLVertexShaderBuilder.cpp b/src/gpu/gl/builders/GrGLVertexShaderBuilder.cpp
index 7445676f5884c5bf4a01110b1579f0e761182a94..9beec6a4fa375bad6931844acd491a005bf02719 100644
--- a/src/gpu/gl/builders/GrGLVertexShaderBuilder.cpp
+++ b/src/gpu/gl/builders/GrGLVertexShaderBuilder.cpp
@@ -112,7 +112,6 @@ void GrGLVertexShaderBuilder::bindProgramLocations(GrGLuint programId) {
 bool GrGLVertexShaderBuilder::compileAndAttachShaders(GrGLuint programId,
         SkTDArray<GrGLuint>* shaderIds) const {
     GrGpuGL* gpu = fProgramBuilder->gpu();
-    const GrGLContext& glCtx = gpu->glContext();
     const GrGLContextInfo& ctxInfo = gpu->ctxInfo();
     SkString vertShaderSrc(GrGetGLSLVersionDecl(ctxInfo));
     fProgramBuilder->appendUniformDecls(GrGLProgramBuilder::kVertex_Visibility, &vertShaderSrc);
@@ -121,8 +120,8 @@ bool GrGLVertexShaderBuilder::compileAndAttachShaders(GrGLuint programId,
     vertShaderSrc.append("void main() {\n");
     vertShaderSrc.append(fCode);
     vertShaderSrc.append("}\n");
-    GrGLuint vertShaderId = GrGLCompileAndAttachShader(glCtx, programId,
-            GR_GL_VERTEX_SHADER, vertShaderSrc);
+    GrGLuint vertShaderId = GrGLCompileAndAttachShader(gpu, programId,
+                                                       GR_GL_VERTEX_SHADER, vertShaderSrc);
     if (!vertShaderId) {
         return false;
     }