Rename GrContext::contextPriv to priv

Mechanical. This makes the priv() accessor the same for all the context types.

Change-Id: I40850eb05a33b8d7cc3eabdd42226d24b2ba58aa
Reviewed-on: https://skia-review.googlesource.com/c/189164
Commit-Queue: Robert Phillips <robertphillips@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
diff --git a/src/gpu/effects/GrSkSLFP.cpp b/src/gpu/effects/GrSkSLFP.cpp
index aa81ea5..7463c28 100644
--- a/src/gpu/effects/GrSkSLFP.cpp
+++ b/src/gpu/effects/GrSkSLFP.cpp
@@ -234,8 +234,8 @@
 std::unique_ptr<GrSkSLFP> GrSkSLFP::Make(GrContext* context, int index, const char* name,
                                          const char* sksl, const void* inputs,
                                          size_t inputSize) {
-    return std::unique_ptr<GrSkSLFP>(new GrSkSLFP(context->contextPriv().getFPFactoryCache(),
-                                                  context->contextPriv().caps()->shaderCaps(),
+    return std::unique_ptr<GrSkSLFP>(new GrSkSLFP(context->priv().getFPFactoryCache(),
+                                                  context->priv().caps()->shaderCaps(),
                                                   index, name, sksl, inputs, inputSize));
 }