Finish migrating cc/ from WebKit::WebTransformationMatrix to gfx::Transform

cc/keyframed_animation_curve.cc

 // Copyright 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 "cc/keyframed_animation_curve.h"
 
-using WebKit::WebTransformationMatrix;
-
 namespace cc {
 
 namespace {
 
 template <class Keyframe>
 void insertKeyframe(scoped_ptr<Keyframe> keyframe, ScopedPtrVector<Keyframe>& keyframes)
 {
     // Usually, the keyframes will be added in order, so this loop would be unnecessary and
     // we should skip it if possible.
     if (!keyframes.empty() && keyframe->time() < keyframes.back()->time()) {
@@ skipping 170 matching lines @@
 }
 
 scoped_ptr<AnimationCurve> KeyframedTransformAnimationCurve::clone() const
 {
     scoped_ptr<KeyframedTransformAnimationCurve> toReturn(KeyframedTransformAnimationCurve::create());
     for (size_t i = 0; i < m_keyframes.size(); ++i)
         toReturn->addKeyframe(m_keyframes[i]->clone());
     return toReturn.PassAs<AnimationCurve>();
 }
 
-WebTransformationMatrix KeyframedTransformAnimationCurve::getValue(double t) const
+gfx::Transform KeyframedTransformAnimationCurve::getValue(double t) const
 {
     if (t <= m_keyframes.front()->time())
         return m_keyframes.front()->value().Apply();
 
     if (t >= m_keyframes.back()->time())
         return m_keyframes.back()->value().Apply();
 
     size_t i = 0;
     for (; i < m_keyframes.size() - 1; ++i) {
         if (t < m_keyframes[i+1]->time())
             break;
     }
 
     double progress = (t - m_keyframes[i]->time()) / (m_keyframes[i+1]->time() - m_keyframes[i]->time());
 
     if (m_keyframes[i]->timingFunction())
         progress = m_keyframes[i]->timingFunction()->getValue(progress);
 
     return m_keyframes[i+1]->value().Blend(m_keyframes[i]->value(), progress);
 }
 
 }  // namespace cc