Rename GrContextPriv to GrDirectContextPriv

Change-Id: I3fccadd8a2860dbee73f93f995738146373f8a39
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/326196
Commit-Queue: Adlai Holler <adlai@google.com>
Auto-Submit: Adlai Holler <adlai@google.com>
Reviewed-by: Robert Phillips <robertphillips@google.com>
diff --git a/include/gpu/GrDirectContext.h b/include/gpu/GrDirectContext.h
index 11048cb..34350c5 100644
--- a/include/gpu/GrDirectContext.h
+++ b/include/gpu/GrDirectContext.h
@@ -18,7 +18,7 @@
 class GrAtlasManager;
 class GrBackendSemaphore;
 class GrClientMappedBufferManager;
-class GrContextPriv;
+class GrDirectContextPriv;
 class GrContextThreadSafeProxy;
 struct GrD3DBackendContext;
 class GrFragmentProcessor;
@@ -718,8 +718,8 @@
 #endif
 
     // Provides access to functions that aren't part of the public API.
-    GrContextPriv priv();
-    const GrContextPriv priv() const;  // NOLINT(readability-const-return-type)
+    GrDirectContextPriv priv();
+    const GrDirectContextPriv priv() const;  // NOLINT(readability-const-return-type)
 
 protected:
     GrDirectContext(GrBackendApi backend, const GrContextOptions& options);
@@ -754,7 +754,7 @@
 
     std::unique_ptr<GrSmallPathAtlasMgr> fSmallPathAtlasMgr;
 
-    friend class GrContextPriv;
+    friend class GrDirectContextPriv;
 
     using INHERITED = GrContext;
 };