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/SamplePicture.cpp b/samplecode/SamplePicture.cpp
index 7ae8757..66289af 100644
--- a/samplecode/SamplePicture.cpp
+++ b/samplecode/SamplePicture.cpp
@@ -104,7 +104,7 @@
         SkPaint paint;
 
         canvas->save();
-        canvas->scale(SkFloatToScalar(0.5f), SkFloatToScalar(0.5f));
+        canvas->scale(0.5f, 0.5f);
         canvas->drawBitmap(fBitmap, 0, 0, NULL);
         canvas->restore();