Refactor TransformPoint{,Reverse}.

ash/rotator/screen_rotation.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 "ash/rotator/screen_rotation.h"
 
 #include "base/time/time.h"
 #include "ui/compositor/layer.h"
 #include "ui/gfx/interpolated_transform.h"
 #include "ui/gfx/rect.h"
@@ skipping 55 matching lines @@
       new_origin_ = new_pivot = gfx::Point(0, height);
       break;
     case 180:
     case 360:
       new_pivot = old_pivot = gfx::Point(width / 2, height / 2);
       new_origin_.SetPoint(width, height);
       break;
   }
 
   // Convert points to world space.
-  current_transform.TransformPoint(old_pivot);
-  current_transform.TransformPoint(new_pivot);
-  current_transform.TransformPoint(new_origin_);
+  current_transform.TransformPoint(&old_pivot);
+  current_transform.TransformPoint(&new_pivot);
+  current_transform.TransformPoint(&new_origin_);
 
   scoped_ptr<ui::InterpolatedTransform> rotation(
       new ui::InterpolatedTransformAboutPivot(
           old_pivot,
           new ui::InterpolatedRotation(0, degrees_)));
 
   scoped_ptr<ui::InterpolatedTransform> translation(
       new ui::InterpolatedTranslation(
           gfx::Point(0, 0),
           gfx::Point(new_pivot.x() - old_pivot.x(),
@@ skipping 34 matching lines @@
 // static
 const ui::LayerAnimationElement::AnimatableProperties&
 ScreenRotation::GetProperties() {
   static ui::LayerAnimationElement::AnimatableProperties properties;
   if (properties.empty())
     properties.insert(ui::LayerAnimationElement::TRANSFORM);
   return properties;
 }
 
 }  // namespace ash