whole-word replace renderTargetContext with surfaceDrawContext

TBR:egdaniel@google.com

Change-Id: Ia471dfc1278bcbeb2b485e4deeb3e932060c50a6
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/343576
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
diff --git a/src/gpu/GrOpsTask.cpp b/src/gpu/GrOpsTask.cpp
index e89d3aa..59a66b2 100644
--- a/src/gpu/GrOpsTask.cpp
+++ b/src/gpu/GrOpsTask.cpp
@@ -603,7 +603,7 @@
             break;
     }
 
-    // NOTE: If fMustPreserveStencil is set, then we are executing a renderTargetContext that split
+    // NOTE: If fMustPreserveStencil is set, then we are executing a surfaceDrawContext that split
     // its opsTask.
     //
     // FIXME: We don't currently flag render passes that don't use stencil at all. In that case