Migrate ui::Transform to gfx::Transform

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/debug/trace_event.h"
 #include "base/time.h"
 #include "ui/compositor/layer_animation_delegate.h"
 #include "ui/gfx/interpolated_transform.h"
@@ skipping 27 matching lines @@
 }
 
 ScreenRotation::~ScreenRotation() {
 }
 
 void ScreenRotation::OnStart(ui::LayerAnimationDelegate* delegate) {
   // No rotation required.
   if (degrees_ == 0)
     return;
 
-  const ui::Transform& current_transform =
+  const gfx::Transform& current_transform =
       delegate->GetTransformForAnimation();
   const gfx::Rect& bounds = delegate->GetBoundsForAnimation();
 
   gfx::Point old_pivot;
   gfx::Point new_pivot;
 
   int width = bounds.width();
   int height = bounds.height();
 
   switch (degrees_) {
@@ skipping 58 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