Remove SkCanvas::getGrContext calls from samplecode

More busywork so we can deprecate getGrContext.

Change-Id: I8479985334881251e6ad814d7855681df716b1da
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/301542
Reviewed-by: Adlai Holler <adlai@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
diff --git a/samplecode/SampleAnimatedText.cpp b/samplecode/SampleAnimatedText.cpp
index d737d03..97fecb7 100644
--- a/samplecode/SampleAnimatedText.cpp
+++ b/samplecode/SampleAnimatedText.cpp
@@ -17,7 +17,7 @@
 #include "src/utils/SkUTF.h"
 
 #if SK_SUPPORT_GPU
-#include "include/gpu/GrContext.h"
+#include "include/gpu/GrDirectContext.h"
 #include "src/gpu/GrContextPriv.h"
 #endif
 
@@ -68,9 +68,9 @@
         canvas->save();
 
 #if SK_SUPPORT_GPU
-        GrContext* grContext = canvas->getGrContext();
-        if (grContext) {
-            sk_sp<SkImage> image = grContext->priv().testingOnly_getFontAtlasImage(
+        auto direct = GrAsDirectContext(canvas->recordingContext());
+        if (direct) {
+            sk_sp<SkImage> image = direct->priv().testingOnly_getFontAtlasImage(
                                                                 GrMaskFormat::kA8_GrMaskFormat);
             canvas->drawImageRect(image,
                                   SkRect::MakeXYWH(512.0f, 10.0f, 512.0f, 512.0f), &paint);