Revert "Do not apply hairline optimization for paths if nv_path_rendering is used"

src/gpu/gl/GrGLProgramDesc.cpp

Index: src/gpu/gl/GrGLProgramDesc.cpp
diff --git a/src/gpu/gl/GrGLProgramDesc.cpp b/src/gpu/gl/GrGLProgramDesc.cpp
index 6e9d8a41ecfd64bdb0d1b4f82cceacebd253f094..d95874252e5cbef0f00cd73feddbe0a62e14516c 100644
--- a/src/gpu/gl/GrGLProgramDesc.cpp
+++ b/src/gpu/gl/GrGLProgramDesc.cpp
@@ -156,7 +156,7 @@ void GrGLProgramDesc::Build(const GrDrawState& drawState,
         header->fHasVertexCode = true;
     }
 
-    bool covIsSolidWhite = !requiresCoverageAttrib && 0xffffffff == drawState.getCoverageColor();
+    bool covIsSolidWhite = !requiresCoverageAttrib && 0xffffffff == drawState.getCoverage();
 
     if (skipCoverage) {
         header->fCoverageInput = kTransBlack_ColorInput;