Revert of Sketch SkPMFloat

src/opts/SkPMFloat_none.h

Index: src/opts/SkPMFloat_none.h
diff --git a/src/opts/SkPMFloat_none.h b/src/opts/SkPMFloat_none.h
deleted file mode 100644
index dee7ce6862f8c9593a545aff2514893200eec0fc..0000000000000000000000000000000000000000
--- a/src/opts/SkPMFloat_none.h
+++ /dev/null
@@ -1,28 +0,0 @@
-#include "SkColorPriv.h"
-#include "SkPMFloat.h"
-
-inline void SkPMFloat::set(SkPMColor c) {
-    float scale = 1.0f / 255.0f;
-    this->setA(SkGetPackedA32(c) * scale);
-    this->setR(SkGetPackedR32(c) * scale);
-    this->setG(SkGetPackedG32(c) * scale);
-    this->setB(SkGetPackedB32(c) * scale);
-    SkASSERT(this->isValid());
-}
-
-inline SkPMColor SkPMFloat::get() const {
-    SkASSERT(this->isValid());
-    return SkPackARGB32(this->a() * 255, this->r() * 255, this->g() * 255, this->b() * 255);
-}
-
-inline SkPMColor SkPMFloat::clamped() const {
-    float a = this->a(),
-          r = this->r(),
-          g = this->g(),
-          b = this->b();
-    a = a < 0 ? 0 : (a > 1 ? 1 : a);
-    r = r < 0 ? 0 : (r > 1 ? 1 : r);
-    g = g < 0 ? 0 : (g > 1 ? 1 : g);
-    b = b < 0 ? 0 : (b > 1 ? 1 : b);
-    return SkPackARGB32(a * 255, r * 255, g * 255, b * 255);
-}