Migrate GrGpu to GrDirectContext

Another piece of the Great Recontexting.

Change-Id: Ib089dbdba89e25add407cf816d28c96c7e5dbc05
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/301303
Commit-Queue: Adlai Holler <adlai@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
Reviewed-by: Robert Phillips <robertphillips@google.com>
diff --git a/src/gpu/gl/GrGLGpuProgramCache.cpp b/src/gpu/gl/GrGLGpuProgramCache.cpp
index bf54a88..dab80f0 100644
--- a/src/gpu/gl/GrGLGpuProgramCache.cpp
+++ b/src/gpu/gl/GrGLGpuProgramCache.cpp
@@ -8,6 +8,7 @@
 #include "src/gpu/gl/GrGLGpu.h"
 
 #include "include/gpu/GrContextOptions.h"
+#include "include/gpu/GrDirectContext.h"
 #include "src/gpu/GrContextPriv.h"
 #include "src/gpu/GrProcessor.h"
 #include "src/gpu/GrProgramDesc.h"