Revert 245663 "Revert 245645 "Define WebScrollOffsetAnimationCur..."

trunk/src/webkit/renderer/compositor_bindings/web_compositor_support_impl.cc

Index: trunk/src/webkit/renderer/compositor_bindings/web_compositor_support_impl.cc
===================================================================
--- trunk/src/webkit/renderer/compositor_bindings/web_compositor_support_impl.cc	(revision 245673)
+++ trunk/src/webkit/renderer/compositor_bindings/web_compositor_support_impl.cc	(working copy)
@@ -19,6 +19,7 @@
 #include "webkit/renderer/compositor_bindings/web_image_layer_impl.h"
 #include "webkit/renderer/compositor_bindings/web_layer_impl.h"
 #include "webkit/renderer/compositor_bindings/web_nine_patch_layer_impl.h"
+#include "webkit/renderer/compositor_bindings/web_scroll_offset_animation_curve_impl.h"
 #include "webkit/renderer/compositor_bindings/web_scrollbar_layer_impl.h"
 #include "webkit/renderer/compositor_bindings/web_solid_color_layer_impl.h"
 #include "webkit/renderer/compositor_bindings/web_transform_animation_curve_impl.h"
@@ -40,6 +41,9 @@
 using blink::WebScrollbarLayer;
 using blink::WebScrollbarThemeGeometry;
 using blink::WebScrollbarThemePainter;
+#if WEB_SCROLL_OFFSET_ANIMATION_CURVE_IS_DEFINED
+using blink::WebScrollOffsetAnimationCurve;
+#endif
 using blink::WebSolidColorLayer;
 using blink::WebTransformAnimationCurve;
 using blink::WebTransformOperations;
@@ -106,6 +110,15 @@
   return new WebFloatAnimationCurveImpl();
 }
 
+#if WEB_SCROLL_OFFSET_ANIMATION_CURVE_IS_DEFINED
+WebScrollOffsetAnimationCurve*
+WebCompositorSupportImpl::createScrollOffsetAnimationCurve(
+    blink::WebFloatPoint target_value,
+    blink::WebAnimationCurve::TimingFunctionType timing_function) {
+  return new WebScrollOffsetAnimationCurveImpl(target_value, timing_function);
+}
+#endif
+
 WebTransformAnimationCurve*
 WebCompositorSupportImpl::createTransformAnimationCurve() {
   return new WebTransformAnimationCurveImpl();