Reland x3 "Remove most of GrConfig.h"

This change makes this safe for Chrome:
https://skia-review.googlesource.com/c/skia/+/260779

This reverts commit 3f1a98b779ace0df57ff31edc0a4a28ddfd4a477.

Change-Id: Ic6886ceabbf626040fc527ea10fe06cbe74a3854
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/260783
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
diff --git a/src/gpu/GrProgramDesc.h b/src/gpu/GrProgramDesc.h
index c0cfaa8..07b0110 100644
--- a/src/gpu/GrProgramDesc.h
+++ b/src/gpu/GrProgramDesc.h
@@ -113,7 +113,7 @@
         // portions added by the platform-specific backends.
         uint32_t fInitialKeyLength : 27;
     };
-    GR_STATIC_ASSERT(sizeof(KeyHeader) == 8);
+    static_assert(sizeof(KeyHeader) == 8);
 
     const KeyHeader& header() const { return *this->atOffset<KeyHeader, kHeaderOffset>(); }