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

cc/layer_animation_controller.cc

Index: cc/layer_animation_controller.cc
diff --git a/cc/layer_animation_controller.cc b/cc/layer_animation_controller.cc
index d5ed278bc57932638f4de36a9a67dc26f2399e3f..8efcc4f93c57db5698b7bbd850ac98dc033f09a6 100644
--- a/cc/layer_animation_controller.cc
+++ b/cc/layer_animation_controller.cc
@@ -13,30 +13,6 @@
 #include "cc/scoped_ptr_algorithm.h"
 #include "ui/gfx/transform.h"
 
-namespace {
-gfx::Transform convertWebTransformationMatrixToTransform(const WebKit::WebTransformationMatrix& matrix)
-{
-    gfx::Transform transform;
-    transform.matrix().setDouble(0, 0, matrix.m11());
-    transform.matrix().setDouble(0, 1, matrix.m21());
-    transform.matrix().setDouble(0, 2, matrix.m31());
-    transform.matrix().setDouble(0, 3, matrix.m41());
-    transform.matrix().setDouble(1, 0, matrix.m12());
-    transform.matrix().setDouble(1, 1, matrix.m22());
-    transform.matrix().setDouble(1, 2, matrix.m32());
-    transform.matrix().setDouble(1, 3, matrix.m42());
-    transform.matrix().setDouble(2, 0, matrix.m13());
-    transform.matrix().setDouble(2, 1, matrix.m23());
-    transform.matrix().setDouble(2, 2, matrix.m33());
-    transform.matrix().setDouble(2, 3, matrix.m43());
-    transform.matrix().setDouble(3, 0, matrix.m14());
-    transform.matrix().setDouble(3, 1, matrix.m24());
-    transform.matrix().setDouble(3, 2, matrix.m34());
-    transform.matrix().setDouble(3, 3, matrix.m44());
-    return transform;
-}
-}  // namespace
-
 namespace cc {
 
 LayerAnimationController::LayerAnimationController(int id)
@@ -443,7 +419,7 @@ void LayerAnimationController::tickAnimations(double monotonicTime)
 
             case Animation::Transform: {
                 const TransformAnimationCurve* transformAnimationCurve = m_activeAnimations[i]->curve()->toTransformAnimationCurve();
-                const gfx::Transform transform = convertWebTransformationMatrixToTransform(transformAnimationCurve->getValue(trimmed));
+                const gfx::Transform transform = transformAnimationCurve->getValue(trimmed);
                 if (m_activeAnimations[i]->isFinishedAt(monotonicTime))
                     m_activeAnimations[i]->setRunState(Animation::Finished, monotonicTime);