Remove GrPrimitiveType from GrMesh

Change-Id: I9b5bdaa08f3a383ce24d33aca5448352d954d9c1
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/270001
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Chris Dalton <csmartdalton@google.com>
diff --git a/src/gpu/ccpr/GrGSCoverageProcessor.cpp b/src/gpu/ccpr/GrGSCoverageProcessor.cpp
index 2a9b917..f6a69ea 100644
--- a/src/gpu/ccpr/GrGSCoverageProcessor.cpp
+++ b/src/gpu/ccpr/GrGSCoverageProcessor.cpp
@@ -435,7 +435,7 @@
     // the GPU in a regular vertex array and draw kLines (see initGS). Then, each vertex invocation
     // receives either the shape's x or y values as inputs, which it forwards to the geometry
     // shader.
-    GrMesh& mesh = out->emplace_back(GrPrimitiveType::kLines);
+    GrMesh& mesh = out->push_back();
     mesh.setNonIndexedNonInstanced(instanceCount * 2);
     mesh.setVertexData(std::move(instanceBuffer), baseInstance * 2);
 }