SkPaint::FilterLevel -> SkFilterQuality

clone (+rebase) of https://codereview.chromium.org/1009183002/

BUG=skia:
TBR=scroggo@google.com

Review URL: https://codereview.chromium.org/1014533004
diff --git a/bench/GameBench.cpp b/bench/GameBench.cpp
index bf70b5c..eb1d9b9 100644
--- a/bench/GameBench.cpp
+++ b/bench/GameBench.cpp
@@ -134,11 +134,11 @@
 
         SkPaint p;
         p.setColor(0xFF000000);
-        p.setFilterLevel(SkPaint::kLow_FilterLevel);
+        p.setFilterQuality(kLow_SkFilterQuality);
 
         SkPaint p2;         // for drawVertices path
         p2.setColor(0xFF000000);
-        p2.setFilterLevel(SkPaint::kLow_FilterLevel);
+        p2.setFilterQuality(kLow_SkFilterQuality);
         p2.setShader(SkShader::CreateBitmapShader(fAtlas,
                                                   SkShader::kClamp_TileMode,
                                                   SkShader::kClamp_TileMode))->unref();