Moving RenderSurface creation outside of CalcDrawProps

ui/compositor/transform_animation_curve_adapter.cc

Index: ui/compositor/transform_animation_curve_adapter.cc
diff --git a/ui/compositor/transform_animation_curve_adapter.cc b/ui/compositor/transform_animation_curve_adapter.cc
index 1b67ca20860ece67a378dc31972dc05da680fa83..759cd62d2a81bdb66bed8fc5ad9051ea9373cd09 100644
--- a/ui/compositor/transform_animation_curve_adapter.cc
+++ b/ui/compositor/transform_animation_curve_adapter.cc
@@ -69,6 +69,12 @@ bool TransformAnimationCurveAdapter::IsTranslation() const {
          target_value_.IsIdentityOrTranslation();
 }
 
+bool TransformAnimationCurveAdapter::PreservesAxisAlignment() const {
+  return (initial_value_.IsIdentity() ||
+          initial_value_.IsScaleOrTranslation()) &&
+         (target_value_.IsScaleOrTranslation());

[enne (OOO), 2014/12/15 22:46:51]

What if the target value is identity?

[awoloszyn, 2014/12/16 15:50:44]

Done.

+}
+
 bool TransformAnimationCurveAdapter::MaximumTargetScale(
     bool forward_direction,
     float* max_scale) const {
@@ -131,6 +137,12 @@ bool InverseTransformCurveAdapter::IsTranslation() const {
          base_curve_.IsTranslation();
 }
 
+bool InverseTransformCurveAdapter::PreservesAxisAlignment() const {
+  return (initial_value_.IsIdentity() ||
+          initial_value_.IsScaleOrTranslation()) &&
+         (base_curve_.PreservesAxisAlignment());
+}
+
 bool InverseTransformCurveAdapter::MaximumTargetScale(bool forward_direction,
                                                       float* max_scale) const {
   return false;