Rename GrRenderTargetContext::getContext to recordingContext

This makes it match GrCanvas' recordingContext call.

Change-Id: Ia93190cce845d7ed0880ee1e8f7bbbf4b0bc65b0
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/304596
Commit-Queue: Robert Phillips <robertphillips@google.com>
Reviewed-by: Adlai Holler <adlai@google.com>
diff --git a/src/gpu/ops/GrAtlasTextOp.cpp b/src/gpu/ops/GrAtlasTextOp.cpp
index 4c3b179..6a41ac5 100644
--- a/src/gpu/ops/GrAtlasTextOp.cpp
+++ b/src/gpu/ops/GrAtlasTextOp.cpp
@@ -476,14 +476,15 @@
         return nullptr;
     }
 
-    const GrRecordingContextPriv& contextPriv = rtc->priv().getContext()->priv();
-    GrSDFTOptions SDFOptions = contextPriv.SDFTOptions();
+
+    auto rContext = rtc->priv().recordingContext();
+    GrSDFTOptions SDFOptions = rContext->priv().SDFTOptions();
 
     sk_sp<GrTextBlob> blob = GrTextBlob::Make(glyphRunList, drawMatrix);
     SkGlyphRunListPainter* painter = rtc->priv().testingOnly_glyphRunPainter();
     painter->processGlyphRunList(
             glyphRunList, drawMatrix, rtc->surfaceProps(),
-            contextPriv.caps()->shaderCaps()->supportsDistanceFieldText(),
+            rContext->priv().caps()->shaderCaps()->supportsDistanceFieldText(),
             SDFOptions, blob.get());
     if (!blob->subRunList().head()) {
         return nullptr;