Removing tracking of whether GP/FP coverage calculations are used by XP.

Remove readsCoverage from GrPipelineOptimizations

Remove kNone from GrDefaultGeoProc::Coverage

Remove kIgnoreCoverage from GrXferProcessor::OptFlags

Remove GrPipeline::fIgnoresCoverage

Change-Id: I8f0c9337ee98b9c77af1e9a8a184519ce63822d4
Reviewed-on: https://skia-review.googlesource.com/6552
Commit-Queue: Brian Salomon <bsalomon@google.com>
Reviewed-by: Greg Daniel <egdaniel@google.com>
diff --git a/src/gpu/ops/GrMSAAPathRenderer.cpp b/src/gpu/ops/GrMSAAPathRenderer.cpp
index 0774fdb..a45e6fa 100644
--- a/src/gpu/ops/GrMSAAPathRenderer.cpp
+++ b/src/gpu/ops/GrMSAAPathRenderer.cpp
@@ -404,7 +404,7 @@
             {
                 using namespace GrDefaultGeoProcFactory;
                 lineGP = GrDefaultGeoProcFactory::Make(Color(Color::kAttribute_Type),
-                                                       Coverage(255),
+                                                       Coverage::kSolid_Type,
                                                        LocalCoords(LocalCoords::kUnused_Type),
                                                        fViewMatrix);
             }