remove SkFloatToScalar macro

BUG=
R=reed@google.com, djsollen@google.com

Author: caryclark@google.com

Review URL: https://codereview.chromium.org/85463005

git-svn-id: http://skia.googlecode.com/svn/trunk@12385 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/samplecode/ClockFaceView.cpp b/samplecode/ClockFaceView.cpp
index 1e9b89e..32c8161 100644
--- a/samplecode/ClockFaceView.cpp
+++ b/samplecode/ClockFaceView.cpp
@@ -154,7 +154,7 @@
     SkLayerRasterizer*  rast = new SkLayerRasterizer;
 
     p.setAntiAlias(true);
-    r7(rast, p, SkFloatToScalar(scale));
+    r7(rast, p, scale);
     paint->setRasterizer(rast)->unref();
 
     paint->setColor(SK_ColorBLUE);