text size is an SkScalar, Windows reminds me.

BUG=
R=jvanverth@google.com

Review URL: https://codereview.chromium.org/23967014

git-svn-id: http://skia.googlecode.com/svn/trunk@11297 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/gm/imagemagnifier.cpp b/gm/imagemagnifier.cpp
index a5f942d..f073e33 100644
--- a/gm/imagemagnifier.cpp
+++ b/gm/imagemagnifier.cpp
@@ -50,7 +50,7 @@
             int x = rand.nextULessThan(WIDTH);
             int y = rand.nextULessThan(HEIGHT);
             paint.setColor(rand.nextBits(24) | 0xFF000000);
-            paint.setTextSize(rand.nextULessThan(300));
+            paint.setTextSize(rand.nextRangeScalar(0, 300));
             canvas->drawText(str, strlen(str), SkIntToScalar(x),
                              SkIntToScalar(y), paint);
         }