gfx::Transform API clean-up

ui/gfx/transform_util.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ui/gfx/transform_util.h"
 
 #include <cmath>
 
 #include "ui/gfx/point.h"
 
@@ skipping 93 matching lines @@
     for (int j = 0; j < 4; j++)
       MSET(m, i, j, MGET(m, i, j) * scale);
 
   return true;
 }
 
 }  // namespace
 
 Transform GetScaleTransform(const Point& anchor, float scale) {
   Transform transform;
-  transform.ConcatScale(scale, scale);
-  transform.ConcatTranslate(anchor.x() * (1 - scale),
-                            anchor.y() * (1 - scale));
+  transform.Translate(anchor.x() * (1 - scale),
+                      anchor.y() * (1 - scale));
+  transform.Scale(scale, scale);
   return transform;
 }
 
 DecomposedTransform::DecomposedTransform() {
   translate[0] = translate[1] = translate[2] = 0.0;
   scale[0] = scale[1] = scale[2] = 1.0;
   skew[0] = skew[1] = skew[2] = 0.0;
   perspective[0] = perspective[1] = perspective[2] = 0.0;
   quaternion[0] = quaternion[1] = quaternion[2] = 0.0;
   perspective[3] = quaternion[3] = 1.0;
@@ skipping 197 matching lines @@
                      SkDoubleToMScalar(decomp.scale[1]),
                      SkDoubleToMScalar(decomp.scale[2]));
   matrix.preConcat(tempScale);
 
   Transform to_return;
   to_return.matrix() = matrix;
   return to_return;
 }
 
 }  // namespace ui