remove legacy filter-flags, and store FilterLevel directly

BUG=skia:
R=robertphillips@google.com, humper@google.com, jvanverth@google.com, mtklein@google.com

Author: reed@google.com

Review URL: https://codereview.chromium.org/239393002

git-svn-id: http://skia.googlecode.com/svn/trunk@14217 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/pipe/SkGPipeWrite.cpp b/src/pipe/SkGPipeWrite.cpp
index 17695ae..6964dc1 100644
--- a/src/pipe/SkGPipeWrite.cpp
+++ b/src/pipe/SkGPipeWrite.cpp
@@ -1052,6 +1052,10 @@
         *ptr++ = paint.getColor();
         base.setColor(paint.getColor());
     }
+    if (base.getFilterLevel() != paint.getFilterLevel()) {
+        *ptr++ = PaintOp_packOpData(kFilterLevel_PaintOp, paint.getFilterLevel());
+        base.setFilterLevel(paint.getFilterLevel());
+    }
     if (base.getStyle() != paint.getStyle()) {
         *ptr++ = PaintOp_packOpData(kStyle_PaintOp, paint.getStyle());
         base.setStyle(paint.getStyle());