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/views/SkTouchGesture.cpp b/src/views/SkTouchGesture.cpp
index 3becccd..9b02417 100644
--- a/src/views/SkTouchGesture.cpp
+++ b/src/views/SkTouchGesture.cpp
@@ -50,7 +50,7 @@
 
 void SkFlingState::reset(float sx, float sy) {
     fActive = true;
-    fDirection.set(SkFloatToScalar(sx), SkFloatToScalar(sy));
+    fDirection.set(sx, sy);
     fSpeed0 = SkPoint::Normalize(&fDirection);
     fSpeed0 = pin_max_fling(fSpeed0);
     fTime0 = getseconds();
@@ -82,7 +82,7 @@
         tx = (float)sk_float_round2int(tx);
         ty = (float)sk_float_round2int(ty);
     }
-    matrix->setTranslate(SkFloatToScalar(tx), SkFloatToScalar(ty));
+    matrix->setTranslate(tx, ty);
 //    printf("---- evaluate (%g %g)\n", tx, ty);
 
     return true;
@@ -182,7 +182,7 @@
 }
 
 static SkScalar center(float pos0, float pos1) {
-    return SkFloatToScalar((pos0 + pos1) * 0.5f);
+    return (pos0 + pos1) * 0.5f;
 }
 
 static const float MAX_ZOOM_SCALE = 4;