Test blur small radii and text.

BUG=chromium:745290

Change-Id: I78cabf988115598e14a7ce39faf96e3a697a1a8f
Reviewed-on: https://skia-review.googlesource.com/34382
Commit-Queue: Herb Derby <herb@google.com>
Commit-Queue: Mike Klein <mtklein@chromium.org>
Reviewed-by: Mike Klein <mtklein@chromium.org>
diff --git a/gn/gm.gni b/gn/gm.gni
index 1be519da..4da11bd 100644
--- a/gn/gm.gni
+++ b/gn/gm.gni
@@ -50,6 +50,7 @@
   "$_gm/blurredclippedcircle.cpp",
   "$_gm/blurroundrect.cpp",
   "$_gm/blurs.cpp",
+  "$_gm/blurtextsmallradii.cpp",
   "$_gm/bmpfilterqualityrepeat.cpp",
   "$_gm/bug5252.cpp",
   "$_gm/bug6643.cpp",