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/samplecode/SampleIdentityScale.cpp b/samplecode/SampleIdentityScale.cpp
index 073bc7c..84b2bd5 100644
--- a/samplecode/SampleIdentityScale.cpp
+++ b/samplecode/SampleIdentityScale.cpp
@@ -57,7 +57,7 @@
 
         paint.setAntiAlias(true);
         paint.setTextSize(48);
-        paint.setFilterLevel(SkPaint::kHigh_FilterLevel);
+        paint.setFilterQuality(kHigh_SkFilterQuality);
 
         SkTime::DateTime time;
         SkTime::GetDateTime(&time);