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/src/gpu/GrAAHairLinePathRenderer.cpp b/src/gpu/GrAAHairLinePathRenderer.cpp
index 3956310..2b5428c 100644
--- a/src/gpu/GrAAHairLinePathRenderer.cpp
+++ b/src/gpu/GrAAHairLinePathRenderer.cpp
@@ -762,7 +762,7 @@
         add_line(&lines[2*i], toSrc, drawState->getCoverageColor(), &verts);
     }
     // All the verts computed by add_line are within sqrt(1^2 + 0.5^2) of the end points.
-    static const SkScalar kSqrtOfOneAndAQuarter = SkFloatToScalar(1.118f);
+    static const SkScalar kSqrtOfOneAndAQuarter = 1.118f;
     // Add a little extra to account for vector normalization precision.
     static const SkScalar kOutset = kSqrtOfOneAndAQuarter + SK_Scalar1 / 20;
     devBounds->outset(kOutset, kOutset);