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/SkGPipeRead.cpp b/src/pipe/SkGPipeRead.cpp
index aaa6b4c..f95bb7c 100644
--- a/src/pipe/SkGPipeRead.cpp
+++ b/src/pipe/SkGPipeRead.cpp
@@ -662,6 +662,7 @@
             case kReset_PaintOp: p->reset(); break;
             case kFlags_PaintOp: p->setFlags(data); break;
             case kColor_PaintOp: p->setColor(reader->readU32()); break;
+            case kFilterLevel_PaintOp: p->setFilterLevel((SkPaint::FilterLevel)data); break;
             case kStyle_PaintOp: p->setStyle((SkPaint::Style)data); break;
             case kJoin_PaintOp: p->setStrokeJoin((SkPaint::Join)data); break;
             case kCap_PaintOp: p->setStrokeCap((SkPaint::Cap)data); break;