Rename 'dstView' to 'outputView' to avoid confusion w/ 'dstProxyView'

This is just a simple clean up from a CL request.

Change-Id: Ibc09e19aeb8a160e4e4e03573fcf56cb1d58525b
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/273983
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
diff --git a/src/gpu/ops/GrSimpleMeshDrawOpHelper.cpp b/src/gpu/ops/GrSimpleMeshDrawOpHelper.cpp
index 0ba0e05..d847140 100644
--- a/src/gpu/ops/GrSimpleMeshDrawOpHelper.cpp
+++ b/src/gpu/ops/GrSimpleMeshDrawOpHelper.cpp
@@ -109,7 +109,7 @@
 const GrPipeline* GrSimpleMeshDrawOpHelper::CreatePipeline(
                                                 const GrCaps* caps,
                                                 SkArenaAlloc* arena,
-                                                const GrSurfaceProxyView* dstView,
+                                                const GrSurfaceProxyView* outputView,
                                                 GrAppliedClip&& appliedClip,
                                                 const GrXferProcessor::DstProxyView& dstProxyView,
                                                 GrProcessorSet&& processorSet,
@@ -121,7 +121,7 @@
     pipelineArgs.fDstProxyView = dstProxyView;
     pipelineArgs.fCaps = caps;
     pipelineArgs.fUserStencil = stencilSettings;
-    pipelineArgs.fOutputSwizzle = dstView->swizzle();
+    pipelineArgs.fOutputSwizzle = outputView->swizzle();
 
     return arena->make<GrPipeline>(pipelineArgs,
                                    std::move(processorSet),