SkPaint::kGenA8FromLCD_Flagis no longer used, so remove references to it

skia/ext/benchmarking_canvas.cc

Index: skia/ext/benchmarking_canvas.cc
diff --git a/skia/ext/benchmarking_canvas.cc b/skia/ext/benchmarking_canvas.cc
index 752e398eeec6d264b4eea1e14f5e4741ede7e289..9b479c191c07ad42e94721fa9b9825ed840bf293 100644
--- a/skia/ext/benchmarking_canvas.cc
+++ b/skia/ext/benchmarking_canvas.cc
@@ -239,8 +239,6 @@ scoped_ptr<base::Value> AsValue(const SkPaint& paint) {
     builder.addFlag(paint.isEmbeddedBitmapText(), "EmbeddedBitmapText");
     builder.addFlag(paint.isAutohinted(), "Autohinted");
     builder.addFlag(paint.isVerticalText(), "VerticalText");
-    builder.addFlag(paint.getFlags() & SkPaint::kGenA8FromLCD_Flag,
-                    "GenA8FromLCD");
 
     val->SetString("Flags", builder.str());
   }