Index: cc/animation/timing_function.cc |
diff --git a/cc/animation/timing_function.cc b/cc/animation/timing_function.cc |
index bf11c20fe03a13f448f486ff600aef2005ea9d4c..71319e121d8c10ad3bf2f0c0a6b9dfd37c7bf165 100644 |
--- a/cc/animation/timing_function.cc |
+++ b/cc/animation/timing_function.cc |
@@ -45,6 +45,10 @@ void CubicBezierTimingFunction::Range(float* min, float* max) const { |
*max = static_cast<float>(max_d); |
} |
+float CubicBezierTimingFunction::Velocity(double x) const { |
+ return static_cast<float>(bezier_.Slope(x)); |
+} |
+ |
// These numbers come from |
// http://www.w3.org/TR/css3-transitions/#transition-timing-function_tag. |
scoped_ptr<TimingFunction> EaseTimingFunction::Create() { |