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/text/GrAtlasManager.cpp b/src/gpu/text/GrAtlasManager.cpp
index c1fbe3d..3b597a3 100644
--- a/src/gpu/text/GrAtlasManager.cpp
+++ b/src/gpu/text/GrAtlasManager.cpp
@@ -109,8 +109,7 @@
         return false;
     }
 
-    sk_sp<GrSurfaceContext> sContext(context->contextPriv().makeWrappedSurfaceContext(
-                                                                                sk_ref_sp(sProxy)));
+    sk_sp<GrSurfaceContext> sContext(context->priv().makeWrappedSurfaceContext(sk_ref_sp(sProxy)));
     if (!sContext || !sContext->asTextureProxy()) {
         return false;
     }