Fix up names from RenderTargetContext to SurfaceDrawContext.

RenderTargetContext was renamed several months ago; this CL just fixes
up a few related names which hadn't yet updated yet.

Change-Id: I59a6ea92fc5d309a9b45a83e3aca6e49cb8d662e
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/415745
Auto-Submit: John Stiles <johnstiles@google.com>
Commit-Queue: John Stiles <johnstiles@google.com>
Reviewed-by: Robert Phillips <robertphillips@google.com>
diff --git a/src/gpu/GrOnFlushResourceProvider.cpp b/src/gpu/GrOnFlushResourceProvider.cpp
index 599073e..0b6fa69 100644
--- a/src/gpu/GrOnFlushResourceProvider.cpp
+++ b/src/gpu/GrOnFlushResourceProvider.cpp
@@ -17,7 +17,7 @@
 #include "src/gpu/GrSurfaceProxy.h"
 #include "src/gpu/GrTextureResolveRenderTask.h"
 
-std::unique_ptr<GrSurfaceDrawContext> GrOnFlushResourceProvider::makeRenderTargetContext(
+std::unique_ptr<GrSurfaceDrawContext> GrOnFlushResourceProvider::makeSurfaceDrawContext(
         sk_sp<GrSurfaceProxy> proxy, GrSurfaceOrigin origin, GrColorType colorType,
         sk_sp<SkColorSpace> colorSpace, const SkSurfaceProps& props) {
     // Since this is at flush time and these won't be allocated for us by the GrResourceAllocator